80495520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23957}}^1$

素因数の和:23982

約数の個数: 96

約数和(自身を含む): 289795968

約数和(自身を除く): 209300448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 23957, 47914, 71871, 95828, 119785, 143742, 167699, 191656, 239570, 287484, 335398, 359355, 383312, 479140, 503097, 574968, 670796, 718710, 766624, 838495, 958280, 1006194, 1149936, 1341592, 1437420, 1676990, 1916560, 2012388, 2299872, 2515485, 2683184, 2874840, 3353980, 3833120, 4024776, 5030970, 5366368, 5749680, 6707960, 8049552, 10061940, 11499360, 13415920, 16099104, 20123880, 26831840, 40247760, 80495520]

約数ペア:

[(1, 80495520), (2, 40247760), (3, 26831840), (4, 20123880), (5, 16099104), (6, 13415920), (7, 11499360), (8, 10061940), (10, 8049552), (12, 6707960), (14, 5749680), (15, 5366368), (16, 5030970), (20, 4024776), (21, 3833120), (24, 3353980), (28, 2874840), (30, 2683184), (32, 2515485), (35, 2299872), (40, 2012388), (42, 1916560), (48, 1676990), (56, 1437420), (60, 1341592), (70, 1149936), (80, 1006194), (84, 958280), (96, 838495), (105, 766624), (112, 718710), (120, 670796), (140, 574968), (160, 503097), (168, 479140), (210, 383312), (224, 359355), (240, 335398), (280, 287484), (336, 239570), (420, 191656), (480, 167699), (560, 143742), (672, 119785), (840, 95828), (1120, 71871), (1680, 47914), (3360, 23957)]