256524330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3917}}^1$

素因数の和:4023

約数の個数: 64

約数和(自身を含む): 643178880

約数和(自身を除く): 386654550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 59, 74, 111, 118, 177, 185, 222, 295, 354, 370, 555, 590, 885, 1110, 1770, 2183, 3917, 4366, 6549, 7834, 10915, 11751, 13098, 19585, 21830, 23502, 32745, 39170, 58755, 65490, 117510, 144929, 231103, 289858, 434787, 462206, 693309, 724645, 869574, 1155515, 1386618, 1449290, 2173935, 2311030, 3466545, 4347870, 6933090, 8550811, 17101622, 25652433, 42754055, 51304866, 85508110, 128262165, 256524330]

約数ペア:

[(1, 256524330), (2, 128262165), (3, 85508110), (5, 51304866), (6, 42754055), (10, 25652433), (15, 17101622), (30, 8550811), (37, 6933090), (59, 4347870), (74, 3466545), (111, 2311030), (118, 2173935), (177, 1449290), (185, 1386618), (222, 1155515), (295, 869574), (354, 724645), (370, 693309), (555, 462206), (590, 434787), (885, 289858), (1110, 231103), (1770, 144929), (2183, 117510), (3917, 65490), (4366, 58755), (6549, 39170), (7834, 32745), (10915, 23502), (11751, 21830), (13098, 19585)]