19901420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2579}}^1$

素因数の和:2722

約数の個数: 320

約数和(自身を含む): 70024089600

約数和(自身を除く): 50122668720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 79, 80, 88, 110, 111, 120, 132, 148, 158, 165, 176, 185, 220, 222, 237, 240, 264, 296, 316, 330, 370, 395, 407, 440, 444, 474, 528, 555, 592, 632, 660, 740, 790, 814, 869, 880, 888, 948, 1110, 1185, 1221, 1264, 1320, 1480, 1580, 1628, 1738, 1776, 1896, 2035, 2220, 2370, 2442, 2579, 2607, 2640, 2923, 2960, 3160, 3256, 3476, 3792, 4070, 4345, 4440, 4740, 4884, 5158, 5214, 5846, 6105, 6320, 6512, 6952, 7737, 8140, 8690, 8769, 8880, 9480, 9768, 10316, 10428, 11692, 12210, 12895, 13035, 13904, 14615, 15474, 16280, 17380, 17538, 18960, 19536, 20632, 20856, 23384, 24420, 25790, 26070, 28369, 29230, 30948, 32153, 32560, 34760, 35076, 38685, 41264, 41712, 43845, 46768, 48840, 51580, 52140, 56738, 58460, 61896, 64306, 69520, 70152, 77370, 85107, 87690, 95423, 96459, 97680, 103160, 104280, 113476, 116920, 123792, 128612, 140304, 141845, 154740, 160765, 170214, 175380, 190846, 192918, 203741, 206320, 208560, 226952, 233840, 257224, 283690, 286269, 309480, 321530, 340428, 350760, 381692, 385836, 407482, 425535, 453904, 477115, 482295, 514448, 567380, 572538, 611223, 618960, 643060, 680856, 701520, 763384, 771672, 814964, 851070, 954230, 964590, 1018705, 1049653, 1134760, 1145076, 1222446, 1286120, 1361712, 1431345, 1526768, 1543344, 1629928, 1702140, 1908460, 1929180, 2037410, 2099306, 2241151, 2269520, 2290152, 2444892, 2572240, 2862690, 3056115, 3148959, 3259856, 3404280, 3816920, 3858360, 4074820, 4198612, 4482302, 4580304, 4889784, 5248265, 5725380, 6112230, 6297918, 6723453, 6808560, 7538417, 7633840, 7716720, 8149640, 8397224, 8964604, 9779568, 10496530, 11205755, 11450760, 12224460, 12595836, 13446906, 15076834, 15744795, 16299280, 16794448, 17929208, 20993060, 22411510, 22615251, 22901520, 24448920, 25191672, 26893812, 30153668, 31489590, 33617265, 35858416, 37692085, 41986120, 44823020, 45230502, 48897840, 50383344, 53787624, 60307336, 62979180, 67234530, 75384170, 82922587, 83972240, 89646040, 90461004, 107575248, 113076255, 120614672, 125958360, 134469060, 150768340, 165845174, 179292080, 180922008, 226152510, 248767761, 251916720, 268938120, 301536680, 331690348, 361844016, 414612935, 452305020, 497535522, 537876240, 603073360, 663380696, 829225870, 904610040, 995071044, 1243838805, 1326761392, 1658451740, 1809220080, 1990142088, 2487677610, 3316903480, 3980284176, 4975355220, 6633806960, 9950710440, 19901420880]

約数ペア:

[(1, 19901420880), (2, 9950710440), (3, 6633806960), (4, 4975355220), (5, 3980284176), (6, 3316903480), (8, 2487677610), (10, 1990142088), (11, 1809220080), (12, 1658451740), (15, 1326761392), (16, 1243838805), (20, 995071044), (22, 904610040), (24, 829225870), (30, 663380696), (33, 603073360), (37, 537876240), (40, 497535522), (44, 452305020), (48, 414612935), (55, 361844016), (60, 331690348), (66, 301536680), (74, 268938120), (79, 251916720), (80, 248767761), (88, 226152510), (110, 180922008), (111, 179292080), (120, 165845174), (132, 150768340), (148, 134469060), (158, 125958360), (165, 120614672), (176, 113076255), (185, 107575248), (220, 90461004), (222, 89646040), (237, 83972240), (240, 82922587), (264, 75384170), (296, 67234530), (316, 62979180), (330, 60307336), (370, 53787624), (395, 50383344), (407, 48897840), (440, 45230502), (444, 44823020), (474, 41986120), (528, 37692085), (555, 35858416), (592, 33617265), (632, 31489590), (660, 30153668), (740, 26893812), (790, 25191672), (814, 24448920), (869, 22901520), (880, 22615251), (888, 22411510), (948, 20993060), (1110, 17929208), (1185, 16794448), (1221, 16299280), (1264, 15744795), (1320, 15076834), (1480, 13446906), (1580, 12595836), (1628, 12224460), (1738, 11450760), (1776, 11205755), (1896, 10496530), (2035, 9779568), (2220, 8964604), (2370, 8397224), (2442, 8149640), (2579, 7716720), (2607, 7633840), (2640, 7538417), (2923, 6808560), (2960, 6723453), (3160, 6297918), (3256, 6112230), (3476, 5725380), (3792, 5248265), (4070, 4889784), (4345, 4580304), (4440, 4482302), (4740, 4198612), (4884, 4074820), (5158, 3858360), (5214, 3816920), (5846, 3404280), (6105, 3259856), (6320, 3148959), (6512, 3056115), (6952, 2862690), (7737, 2572240), (8140, 2444892), (8690, 2290152), (8769, 2269520), (8880, 2241151), (9480, 2099306), (9768, 2037410), (10316, 1929180), (10428, 1908460), (11692, 1702140), (12210, 1629928), (12895, 1543344), (13035, 1526768), (13904, 1431345), (14615, 1361712), (15474, 1286120), (16280, 1222446), (17380, 1145076), (17538, 1134760), (18960, 1049653), (19536, 1018705), (20632, 964590), (20856, 954230), (23384, 851070), (24420, 814964), (25790, 771672), (26070, 763384), (28369, 701520), (29230, 680856), (30948, 643060), (32153, 618960), (32560, 611223), (34760, 572538), (35076, 567380), (38685, 514448), (41264, 482295), (41712, 477115), (43845, 453904), (46768, 425535), (48840, 407482), (51580, 385836), (52140, 381692), (56738, 350760), (58460, 340428), (61896, 321530), (64306, 309480), (69520, 286269), (70152, 283690), (77370, 257224), (85107, 233840), (87690, 226952), (95423, 208560), (96459, 206320), (97680, 203741), (103160, 192918), (104280, 190846), (113476, 175380), (116920, 170214), (123792, 160765), (128612, 154740), (140304, 141845)]