2868487040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1100

約数の個数: 128

約数和(自身を含む): 7130142720

約数和(自身を除く): 4261655680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 310, 320, 326, 496, 620, 640, 652, 815, 887, 992, 1240, 1304, 1630, 1774, 1984, 2480, 2608, 3260, 3548, 3968, 4435, 4960, 5053, 5216, 6520, 7096, 8870, 9920, 10106, 10432, 13040, 14192, 17740, 19840, 20212, 20864, 25265, 26080, 27497, 28384, 35480, 40424, 50530, 52160, 54994, 56768, 70960, 80848, 101060, 104320, 109988, 113536, 137485, 141920, 144581, 161696, 202120, 219976, 274970, 283840, 289162, 323392, 404240, 439952, 549940, 567680, 578324, 646784, 722905, 808480, 879904, 1099880, 1156648, 1445810, 1616960, 1759808, 2199760, 2313296, 2891620, 3233920, 3519616, 4399520, 4482011, 4626592, 5783240, 8799040, 8964022, 9253184, 11566480, 17598080, 17928044, 18506368, 22410055, 23132960, 35856088, 44820110, 46265920, 71712176, 89640220, 92531840, 143424352, 179280440, 286848704, 358560880, 573697408, 717121760, 1434243520, 2868487040]

約数ペア:

[(1, 2868487040), (2, 1434243520), (4, 717121760), (5, 573697408), (8, 358560880), (10, 286848704), (16, 179280440), (20, 143424352), (31, 92531840), (32, 89640220), (40, 71712176), (62, 46265920), (64, 44820110), (80, 35856088), (124, 23132960), (128, 22410055), (155, 18506368), (160, 17928044), (163, 17598080), (248, 11566480), (310, 9253184), (320, 8964022), (326, 8799040), (496, 5783240), (620, 4626592), (640, 4482011), (652, 4399520), (815, 3519616), (887, 3233920), (992, 2891620), (1240, 2313296), (1304, 2199760), (1630, 1759808), (1774, 1616960), (1984, 1445810), (2480, 1156648), (2608, 1099880), (3260, 879904), (3548, 808480), (3968, 722905), (4435, 646784), (4960, 578324), (5053, 567680), (5216, 549940), (6520, 439952), (7096, 404240), (8870, 323392), (9920, 289162), (10106, 283840), (10432, 274970), (13040, 219976), (14192, 202120), (17740, 161696), (19840, 144581), (20212, 141920), (20864, 137485), (25265, 113536), (26080, 109988), (27497, 104320), (28384, 101060), (35480, 80848), (40424, 70960), (50530, 56768), (52160, 54994)]