81788700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 288

約数和(自身を含む): 299980800

約数和(自身を除く): 218192100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 29, 30, 34, 35, 42, 50, 51, 58, 60, 68, 70, 75, 79, 84, 85, 87, 100, 102, 105, 116, 119, 140, 145, 150, 158, 170, 174, 175, 203, 204, 210, 237, 238, 255, 290, 300, 316, 340, 348, 350, 357, 395, 406, 420, 425, 435, 474, 476, 493, 510, 525, 553, 580, 595, 609, 700, 714, 725, 790, 812, 850, 870, 948, 986, 1015, 1020, 1050, 1106, 1185, 1190, 1218, 1275, 1343, 1428, 1450, 1479, 1580, 1659, 1700, 1740, 1785, 1972, 1975, 2030, 2100, 2175, 2212, 2291, 2370, 2380, 2436, 2465, 2550, 2686, 2765, 2900, 2958, 2975, 3045, 3318, 3451, 3570, 3950, 4029, 4060, 4350, 4582, 4740, 4930, 5075, 5100, 5372, 5530, 5916, 5925, 5950, 6090, 6636, 6715, 6873, 6902, 7140, 7395, 7900, 8058, 8295, 8700, 8925, 9164, 9401, 9860, 10150, 10353, 11060, 11455, 11850, 11900, 12180, 12325, 13430, 13746, 13804, 13825, 14790, 15225, 16037, 16116, 16590, 17255, 17850, 18802, 20145, 20300, 20706, 22910, 23700, 24650, 26860, 27492, 27650, 28203, 29580, 30450, 32074, 33180, 33575, 34365, 34510, 35700, 36975, 37604, 38947, 40290, 41412, 41475, 45820, 47005, 48111, 49300, 51765, 55300, 56406, 57275, 60900, 64148, 67150, 68730, 69020, 73950, 77894, 80185, 80580, 82950, 86275, 94010, 96222, 100725, 103530, 112812, 114550, 116841, 134300, 137460, 141015, 147900, 155788, 160370, 165900, 171825, 172550, 188020, 192444, 194735, 201450, 207060, 229100, 233682, 235025, 240555, 258825, 272629, 282030, 320740, 343650, 345100, 389470, 400925, 402900, 467364, 470050, 481110, 517650, 545258, 564060, 584205, 687300, 705075, 778940, 801850, 817887, 940100, 962220, 973675, 1035300, 1090516, 1168410, 1202775, 1363145, 1410150, 1603700, 1635774, 1947350, 2336820, 2405550, 2726290, 2820300, 2921025, 3271548, 3894700, 4089435, 4811100, 5452580, 5842050, 6815725, 8178870, 11684100, 13631450, 16357740, 20447175, 27262900, 40894350, 81788700]

約数ペア:

[(1, 81788700), (2, 40894350), (3, 27262900), (4, 20447175), (5, 16357740), (6, 13631450), (7, 11684100), (10, 8178870), (12, 6815725), (14, 5842050), (15, 5452580), (17, 4811100), (20, 4089435), (21, 3894700), (25, 3271548), (28, 2921025), (29, 2820300), (30, 2726290), (34, 2405550), (35, 2336820), (42, 1947350), (50, 1635774), (51, 1603700), (58, 1410150), (60, 1363145), (68, 1202775), (70, 1168410), (75, 1090516), (79, 1035300), (84, 973675), (85, 962220), (87, 940100), (100, 817887), (102, 801850), (105, 778940), (116, 705075), (119, 687300), (140, 584205), (145, 564060), (150, 545258), (158, 517650), (170, 481110), (174, 470050), (175, 467364), (203, 402900), (204, 400925), (210, 389470), (237, 345100), (238, 343650), (255, 320740), (290, 282030), (300, 272629), (316, 258825), (340, 240555), (348, 235025), (350, 233682), (357, 229100), (395, 207060), (406, 201450), (420, 194735), (425, 192444), (435, 188020), (474, 172550), (476, 171825), (493, 165900), (510, 160370), (525, 155788), (553, 147900), (580, 141015), (595, 137460), (609, 134300), (700, 116841), (714, 114550), (725, 112812), (790, 103530), (812, 100725), (850, 96222), (870, 94010), (948, 86275), (986, 82950), (1015, 80580), (1020, 80185), (1050, 77894), (1106, 73950), (1185, 69020), (1190, 68730), (1218, 67150), (1275, 64148), (1343, 60900), (1428, 57275), (1450, 56406), (1479, 55300), (1580, 51765), (1659, 49300), (1700, 48111), (1740, 47005), (1785, 45820), (1972, 41475), (1975, 41412), (2030, 40290), (2100, 38947), (2175, 37604), (2212, 36975), (2291, 35700), (2370, 34510), (2380, 34365), (2436, 33575), (2465, 33180), (2550, 32074), (2686, 30450), (2765, 29580), (2900, 28203), (2958, 27650), (2975, 27492), (3045, 26860), (3318, 24650), (3451, 23700), (3570, 22910), (3950, 20706), (4029, 20300), (4060, 20145), (4350, 18802), (4582, 17850), (4740, 17255), (4930, 16590), (5075, 16116), (5100, 16037), (5372, 15225), (5530, 14790), (5916, 13825), (5925, 13804), (5950, 13746), (6090, 13430), (6636, 12325), (6715, 12180), (6873, 11900), (6902, 11850), (7140, 11455), (7395, 11060), (7900, 10353), (8058, 10150), (8295, 9860), (8700, 9401), (8925, 9164)]