255403120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2731}}^1$

素因数の和:2918

約数の個数: 80

約数和(自身を含む): 682956288

約数和(自身を除く): 427553168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 1169, 1336, 1670, 2338, 2672, 2731, 3340, 4676, 5462, 5845, 6680, 9352, 10924, 11690, 13360, 13655, 18704, 19117, 21848, 23380, 27310, 38234, 43696, 46760, 54620, 76468, 93520, 95585, 109240, 152936, 191170, 218480, 305872, 382340, 456077, 764680, 912154, 1529360, 1824308, 2280385, 3192539, 3648616, 4560770, 6385078, 7297232, 9121540, 12770156, 15962695, 18243080, 25540312, 31925390, 36486160, 51080624, 63850780, 127701560, 255403120]

約数ペア:

[(1, 255403120), (2, 127701560), (4, 63850780), (5, 51080624), (7, 36486160), (8, 31925390), (10, 25540312), (14, 18243080), (16, 15962695), (20, 12770156), (28, 9121540), (35, 7297232), (40, 6385078), (56, 4560770), (70, 3648616), (80, 3192539), (112, 2280385), (140, 1824308), (167, 1529360), (280, 912154), (334, 764680), (560, 456077), (668, 382340), (835, 305872), (1169, 218480), (1336, 191170), (1670, 152936), (2338, 109240), (2672, 95585), (2731, 93520), (3340, 76468), (4676, 54620), (5462, 46760), (5845, 43696), (6680, 38234), (9352, 27310), (10924, 23380), (11690, 21848), (13360, 19117), (13655, 18704)]