21488604800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:964

約数の個数: 384

約数和(自身を含む): 62187686400

約数和(自身を除く): 40699081600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 31, 32, 38, 40, 50, 52, 62, 64, 65, 76, 80, 95, 100, 104, 124, 128, 130, 152, 155, 160, 190, 200, 208, 247, 248, 260, 304, 310, 320, 325, 380, 400, 403, 416, 475, 494, 496, 520, 589, 608, 620, 640, 650, 760, 775, 800, 806, 832, 877, 950, 988, 992, 1040, 1178, 1216, 1235, 1240, 1300, 1520, 1550, 1600, 1612, 1664, 1754, 1900, 1976, 1984, 2015, 2080, 2356, 2432, 2470, 2480, 2600, 2945, 3040, 3100, 3200, 3224, 3508, 3800, 3952, 3968, 4030, 4160, 4385, 4712, 4940, 4960, 5200, 5890, 6080, 6175, 6200, 6448, 7016, 7600, 7657, 7904, 8060, 8320, 8770, 9424, 9880, 9920, 10075, 10400, 11401, 11780, 12160, 12350, 12400, 12896, 14032, 14725, 15200, 15314, 15808, 16120, 16663, 17540, 18848, 19760, 19840, 20150, 20800, 21925, 22802, 23560, 24700, 24800, 25792, 27187, 28064, 29450, 30400, 30628, 31616, 32240, 33326, 35080, 37696, 38285, 39520, 40300, 41600, 43850, 45604, 47120, 49400, 49600, 51584, 54374, 56128, 57005, 58900, 60800, 61256, 64480, 66652, 70160, 75392, 76570, 79040, 80600, 83315, 87700, 91208, 94240, 98800, 99200, 108748, 112256, 114010, 117800, 122512, 128960, 133304, 135935, 140320, 153140, 158080, 161200, 166630, 175400, 182416, 188480, 191425, 197600, 216619, 217496, 228020, 235600, 245024, 257920, 266608, 271870, 280640, 285025, 306280, 322400, 333260, 350800, 353431, 364832, 376960, 382850, 395200, 416575, 433238, 434992, 456040, 471200, 490048, 516553, 533216, 543740, 561280, 570050, 612560, 644800, 666520, 679675, 701600, 706862, 729664, 765700, 790400, 833150, 866476, 869984, 912080, 942400, 980096, 1033106, 1066432, 1083095, 1087480, 1140100, 1225120, 1289600, 1333040, 1359350, 1403200, 1413724, 1459328, 1531400, 1666300, 1732952, 1739968, 1767155, 1824160, 1884800, 2066212, 2132864, 2166190, 2174960, 2280200, 2450240, 2582765, 2666080, 2718700, 2806400, 2827448, 3062800, 3332600, 3465904, 3479936, 3534310, 3648320, 4132424, 4332380, 4349920, 4560400, 4900480, 5165530, 5332160, 5415475, 5437400, 5654896, 6125600, 6665200, 6715189, 6931808, 7068620, 7296640, 8264848, 8664760, 8699840, 8835775, 9120800, 10331060, 10664320, 10830950, 10874800, 11309792, 12251200, 12913825, 13330400, 13430378, 13863616, 14137240, 16529696, 17329520, 17399680, 17671550, 18241600, 20662120, 21661900, 21749600, 22619584, 24502400, 25827650, 26660800, 26860756, 27727232, 28274480, 33059392, 33575945, 34659040, 35343100, 36483200, 41324240, 43323800, 43499200, 45239168, 51655300, 53321600, 53721512, 56548960, 66118784, 67151890, 69318080, 70686200, 82648480, 86647600, 86998400, 103310600, 107443024, 113097920, 134303780, 138636160, 141372400, 165296960, 167879725, 173295200, 206621200, 214886048, 226195840, 268607560, 282744800, 330593920, 335759450, 346590400, 413242400, 429772096, 537215120, 565489600, 671518900, 693180800, 826484800, 859544192, 1074430240, 1130979200, 1343037800, 1652969600, 2148860480, 2686075600, 4297720960, 5372151200, 10744302400, 21488604800]

約数ペア:

[(1, 21488604800), (2, 10744302400), (4, 5372151200), (5, 4297720960), (8, 2686075600), (10, 2148860480), (13, 1652969600), (16, 1343037800), (19, 1130979200), (20, 1074430240), (25, 859544192), (26, 826484800), (31, 693180800), (32, 671518900), (38, 565489600), (40, 537215120), (50, 429772096), (52, 413242400), (62, 346590400), (64, 335759450), (65, 330593920), (76, 282744800), (80, 268607560), (95, 226195840), (100, 214886048), (104, 206621200), (124, 173295200), (128, 167879725), (130, 165296960), (152, 141372400), (155, 138636160), (160, 134303780), (190, 113097920), (200, 107443024), (208, 103310600), (247, 86998400), (248, 86647600), (260, 82648480), (304, 70686200), (310, 69318080), (320, 67151890), (325, 66118784), (380, 56548960), (400, 53721512), (403, 53321600), (416, 51655300), (475, 45239168), (494, 43499200), (496, 43323800), (520, 41324240), (589, 36483200), (608, 35343100), (620, 34659040), (640, 33575945), (650, 33059392), (760, 28274480), (775, 27727232), (800, 26860756), (806, 26660800), (832, 25827650), (877, 24502400), (950, 22619584), (988, 21749600), (992, 21661900), (1040, 20662120), (1178, 18241600), (1216, 17671550), (1235, 17399680), (1240, 17329520), (1300, 16529696), (1520, 14137240), (1550, 13863616), (1600, 13430378), (1612, 13330400), (1664, 12913825), (1754, 12251200), (1900, 11309792), (1976, 10874800), (1984, 10830950), (2015, 10664320), (2080, 10331060), (2356, 9120800), (2432, 8835775), (2470, 8699840), (2480, 8664760), (2600, 8264848), (2945, 7296640), (3040, 7068620), (3100, 6931808), (3200, 6715189), (3224, 6665200), (3508, 6125600), (3800, 5654896), (3952, 5437400), (3968, 5415475), (4030, 5332160), (4160, 5165530), (4385, 4900480), (4712, 4560400), (4940, 4349920), (4960, 4332380), (5200, 4132424), (5890, 3648320), (6080, 3534310), (6175, 3479936), (6200, 3465904), (6448, 3332600), (7016, 3062800), (7600, 2827448), (7657, 2806400), (7904, 2718700), (8060, 2666080), (8320, 2582765), (8770, 2450240), (9424, 2280200), (9880, 2174960), (9920, 2166190), (10075, 2132864), (10400, 2066212), (11401, 1884800), (11780, 1824160), (12160, 1767155), (12350, 1739968), (12400, 1732952), (12896, 1666300), (14032, 1531400), (14725, 1459328), (15200, 1413724), (15314, 1403200), (15808, 1359350), (16120, 1333040), (16663, 1289600), (17540, 1225120), (18848, 1140100), (19760, 1087480), (19840, 1083095), (20150, 1066432), (20800, 1033106), (21925, 980096), (22802, 942400), (23560, 912080), (24700, 869984), (24800, 866476), (25792, 833150), (27187, 790400), (28064, 765700), (29450, 729664), (30400, 706862), (30628, 701600), (31616, 679675), (32240, 666520), (33326, 644800), (35080, 612560), (37696, 570050), (38285, 561280), (39520, 543740), (40300, 533216), (41600, 516553), (43850, 490048), (45604, 471200), (47120, 456040), (49400, 434992), (49600, 433238), (51584, 416575), (54374, 395200), (56128, 382850), (57005, 376960), (58900, 364832), (60800, 353431), (61256, 350800), (64480, 333260), (66652, 322400), (70160, 306280), (75392, 285025), (76570, 280640), (79040, 271870), (80600, 266608), (83315, 257920), (87700, 245024), (91208, 235600), (94240, 228020), (98800, 217496), (99200, 216619), (108748, 197600), (112256, 191425), (114010, 188480), (117800, 182416), (122512, 175400), (128960, 166630), (133304, 161200), (135935, 158080), (140320, 153140)]