40247760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23957}}^1$

素因数の和:23980

約数の個数: 80

約数和(自身を含む): 142598016

約数和(自身を除く): 102350256

約数列:

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

約数ペア:

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