158227720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18229}}^1$

素因数の和:18278

約数の個数: 64

約数和(自身を含む): 420019200

約数和(自身を除く): 261791480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18229, 36458, 72916, 91145, 127603, 145832, 182290, 255206, 364580, 510412, 565099, 638015, 729160, 1020824, 1130198, 1276030, 2260396, 2552060, 2825495, 3955693, 4520792, 5104120, 5650990, 7911386, 11301980, 15822772, 19778465, 22603960, 31645544, 39556930, 79113860, 158227720]

約数ペア:

[(1, 158227720), (2, 79113860), (4, 39556930), (5, 31645544), (7, 22603960), (8, 19778465), (10, 15822772), (14, 11301980), (20, 7911386), (28, 5650990), (31, 5104120), (35, 4520792), (40, 3955693), (56, 2825495), (62, 2552060), (70, 2260396), (124, 1276030), (140, 1130198), (155, 1020824), (217, 729160), (248, 638015), (280, 565099), (310, 510412), (434, 364580), (620, 255206), (868, 182290), (1085, 145832), (1240, 127603), (1736, 91145), (2170, 72916), (4340, 36458), (8680, 18229)]