85660720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 206102880

約数和(自身を除く): 120442160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 178, 212, 227, 265, 356, 424, 445, 454, 530, 712, 848, 890, 908, 1060, 1135, 1424, 1780, 1816, 2120, 2270, 3560, 3632, 4240, 4540, 4717, 7120, 9080, 9434, 12031, 18160, 18868, 20203, 23585, 24062, 37736, 40406, 47170, 48124, 60155, 75472, 80812, 94340, 96248, 101015, 120310, 161624, 188680, 192496, 202030, 240620, 323248, 377360, 404060, 481240, 808120, 962480, 1070759, 1616240, 2141518, 4283036, 5353795, 8566072, 10707590, 17132144, 21415180, 42830360, 85660720]

約数ペア:

[(1, 85660720), (2, 42830360), (4, 21415180), (5, 17132144), (8, 10707590), (10, 8566072), (16, 5353795), (20, 4283036), (40, 2141518), (53, 1616240), (80, 1070759), (89, 962480), (106, 808120), (178, 481240), (212, 404060), (227, 377360), (265, 323248), (356, 240620), (424, 202030), (445, 192496), (454, 188680), (530, 161624), (712, 120310), (848, 101015), (890, 96248), (908, 94340), (1060, 80812), (1135, 75472), (1424, 60155), (1780, 48124), (1816, 47170), (2120, 40406), (2270, 37736), (3560, 24062), (3632, 23585), (4240, 20203), (4540, 18868), (4717, 18160), (7120, 12031), (9080, 9434)]