157777480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3457}}^1$

素因数の和:3638

約数の個数: 64

約数和(自身を含む): 408320640

約数和(自身を除く): 250543160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 3457, 4564, 5705, 6520, 6914, 9128, 11410, 13828, 17285, 22820, 24199, 27656, 34570, 45640, 48398, 69140, 96796, 120995, 138280, 193592, 241990, 483980, 563491, 967960, 1126982, 2253964, 2817455, 3944437, 4507928, 5634910, 7888874, 11269820, 15777748, 19722185, 22539640, 31555496, 39444370, 78888740, 157777480]

約数ペア:

[(1, 157777480), (2, 78888740), (4, 39444370), (5, 31555496), (7, 22539640), (8, 19722185), (10, 15777748), (14, 11269820), (20, 7888874), (28, 5634910), (35, 4507928), (40, 3944437), (56, 2817455), (70, 2253964), (140, 1126982), (163, 967960), (280, 563491), (326, 483980), (652, 241990), (815, 193592), (1141, 138280), (1304, 120995), (1630, 96796), (2282, 69140), (3260, 48398), (3457, 45640), (4564, 34570), (5705, 27656), (6520, 24199), (6914, 22820), (9128, 17285), (11410, 13828)]