161223160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12251}}^1$

素因数の和:12316

約数の個数: 64

約数和(自身を含む): 423429120

約数和(自身を除く): 262205960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 12251, 13160, 24502, 49004, 61255, 85757, 98008, 122510, 171514, 245020, 343028, 428785, 490040, 575797, 686056, 857570, 1151594, 1715140, 2303188, 2878985, 3430280, 4030579, 4606376, 5757970, 8061158, 11515940, 16122316, 20152895, 23031880, 32244632, 40305790, 80611580, 161223160]

約数ペア:

[(1, 161223160), (2, 80611580), (4, 40305790), (5, 32244632), (7, 23031880), (8, 20152895), (10, 16122316), (14, 11515940), (20, 8061158), (28, 5757970), (35, 4606376), (40, 4030579), (47, 3430280), (56, 2878985), (70, 2303188), (94, 1715140), (140, 1151594), (188, 857570), (235, 686056), (280, 575797), (329, 490040), (376, 428785), (470, 343028), (658, 245020), (940, 171514), (1316, 122510), (1645, 98008), (1880, 85757), (2632, 61255), (3290, 49004), (6580, 24502), (12251, 13160)]