71405460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56671}}^1$

素因数の和:56693

約数の個数: 72

約数和(自身を含む): 247543296

約数和(自身を除く): 176137836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 56671, 113342, 170013, 226684, 283355, 340026, 396697, 510039, 566710, 680052, 793394, 850065, 1020078, 1133420, 1190091, 1586788, 1700130, 1983485, 2040156, 2380182, 2550195, 3400260, 3570273, 3966970, 4760364, 5100390, 5950455, 7140546, 7933940, 10200780, 11900910, 14281092, 17851365, 23801820, 35702730, 71405460]

約数ペア:

[(1, 71405460), (2, 35702730), (3, 23801820), (4, 17851365), (5, 14281092), (6, 11900910), (7, 10200780), (9, 7933940), (10, 7140546), (12, 5950455), (14, 5100390), (15, 4760364), (18, 3966970), (20, 3570273), (21, 3400260), (28, 2550195), (30, 2380182), (35, 2040156), (36, 1983485), (42, 1700130), (45, 1586788), (60, 1190091), (63, 1133420), (70, 1020078), (84, 850065), (90, 793394), (105, 680052), (126, 566710), (140, 510039), (180, 396697), (210, 340026), (252, 283355), (315, 226684), (420, 170013), (630, 113342), (1260, 56671)]