28625070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 42292050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 89, 142, 151, 178, 213, 267, 302, 355, 426, 445, 453, 534, 710, 755, 890, 906, 1065, 1335, 1510, 2130, 2265, 2670, 4530, 6319, 10721, 12638, 13439, 18957, 21442, 26878, 31595, 32163, 37914, 40317, 53605, 63190, 64326, 67195, 80634, 94785, 107210, 134390, 160815, 189570, 201585, 321630, 403170, 954169, 1908338, 2862507, 4770845, 5725014, 9541690, 14312535, 28625070]

約数ペア:

[(1, 28625070), (2, 14312535), (3, 9541690), (5, 5725014), (6, 4770845), (10, 2862507), (15, 1908338), (30, 954169), (71, 403170), (89, 321630), (142, 201585), (151, 189570), (178, 160815), (213, 134390), (267, 107210), (302, 94785), (355, 80634), (426, 67195), (445, 64326), (453, 63190), (534, 53605), (710, 40317), (755, 37914), (890, 32163), (906, 31595), (1065, 26878), (1335, 21442), (1510, 18957), (2130, 13439), (2265, 12638), (2670, 10721), (4530, 6319)]