128157720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 405872640

約数和(自身を除く): 277714920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 733, 744, 930, 940, 1128, 1240, 1410, 1457, 1466, 1860, 1880, 2199, 2820, 2914, 2932, 3665, 3720, 4371, 4398, 5640, 5828, 5864, 7285, 7330, 8742, 8796, 10995, 11656, 14570, 14660, 17484, 17592, 21855, 21990, 22723, 29140, 29320, 34451, 34968, 43710, 43980, 45446, 58280, 68169, 68902, 87420, 87960, 90892, 103353, 113615, 136338, 137804, 172255, 174840, 181784, 206706, 227230, 272676, 275608, 340845, 344510, 413412, 454460, 516765, 545352, 681690, 689020, 826824, 908920, 1033530, 1067981, 1363380, 1378040, 2067060, 2135962, 2726760, 3203943, 4134120, 4271924, 5339905, 6407886, 8543848, 10679810, 12815772, 16019715, 21359620, 25631544, 32039430, 42719240, 64078860, 128157720]

約数ペア:

[(1, 128157720), (2, 64078860), (3, 42719240), (4, 32039430), (5, 25631544), (6, 21359620), (8, 16019715), (10, 12815772), (12, 10679810), (15, 8543848), (20, 6407886), (24, 5339905), (30, 4271924), (31, 4134120), (40, 3203943), (47, 2726760), (60, 2135962), (62, 2067060), (93, 1378040), (94, 1363380), (120, 1067981), (124, 1033530), (141, 908920), (155, 826824), (186, 689020), (188, 681690), (235, 545352), (248, 516765), (282, 454460), (310, 413412), (372, 344510), (376, 340845), (465, 275608), (470, 272676), (564, 227230), (620, 206706), (705, 181784), (733, 174840), (744, 172255), (930, 137804), (940, 136338), (1128, 113615), (1240, 103353), (1410, 90892), (1457, 87960), (1466, 87420), (1860, 68902), (1880, 68169), (2199, 58280), (2820, 45446), (2914, 43980), (2932, 43710), (3665, 34968), (3720, 34451), (4371, 29320), (4398, 29140), (5640, 22723), (5828, 21990), (5864, 21855), (7285, 17592), (7330, 17484), (8742, 14660), (8796, 14570), (10995, 11656)]