156969280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 407730960

約数和(自身を除く): 250761680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 130, 160, 194, 208, 260, 320, 388, 389, 416, 485, 520, 776, 778, 832, 970, 1040, 1261, 1552, 1556, 1940, 1945, 2080, 2522, 3104, 3112, 3880, 3890, 4160, 5044, 5057, 6208, 6224, 6305, 7760, 7780, 10088, 10114, 12448, 12610, 15520, 15560, 20176, 20228, 24896, 25220, 25285, 31040, 31120, 37733, 40352, 40456, 50440, 50570, 62240, 75466, 80704, 80912, 100880, 101140, 124480, 150932, 161824, 188665, 201760, 202280, 301864, 323648, 377330, 403520, 404560, 490529, 603728, 754660, 809120, 981058, 1207456, 1509320, 1618240, 1962116, 2414912, 2452645, 3018640, 3924232, 4905290, 6037280, 7848464, 9810580, 12074560, 15696928, 19621160, 31393856, 39242320, 78484640, 156969280]

約数ペア:

[(1, 156969280), (2, 78484640), (4, 39242320), (5, 31393856), (8, 19621160), (10, 15696928), (13, 12074560), (16, 9810580), (20, 7848464), (26, 6037280), (32, 4905290), (40, 3924232), (52, 3018640), (64, 2452645), (65, 2414912), (80, 1962116), (97, 1618240), (104, 1509320), (130, 1207456), (160, 981058), (194, 809120), (208, 754660), (260, 603728), (320, 490529), (388, 404560), (389, 403520), (416, 377330), (485, 323648), (520, 301864), (776, 202280), (778, 201760), (832, 188665), (970, 161824), (1040, 150932), (1261, 124480), (1552, 101140), (1556, 100880), (1940, 80912), (1945, 80704), (2080, 75466), (2522, 62240), (3104, 50570), (3112, 50440), (3880, 40456), (3890, 40352), (4160, 37733), (5044, 31120), (5057, 31040), (6208, 25285), (6224, 25220), (6305, 24896), (7760, 20228), (7780, 20176), (10088, 15560), (10114, 15520), (12448, 12610)]