157677160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 370137600

約数和(自身を除く): 212460440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 808, 1010, 1240, 1259, 2020, 2518, 3131, 4040, 5036, 6262, 6295, 10072, 12524, 12590, 15655, 25048, 25180, 31310, 39029, 50360, 62620, 78058, 125240, 127159, 156116, 195145, 254318, 312232, 390290, 508636, 635795, 780580, 1017272, 1271590, 1561160, 2543180, 3941929, 5086360, 7883858, 15767716, 19709645, 31535432, 39419290, 78838580, 157677160]

約数ペア:

[(1, 157677160), (2, 78838580), (4, 39419290), (5, 31535432), (8, 19709645), (10, 15767716), (20, 7883858), (31, 5086360), (40, 3941929), (62, 2543180), (101, 1561160), (124, 1271590), (155, 1017272), (202, 780580), (248, 635795), (310, 508636), (404, 390290), (505, 312232), (620, 254318), (808, 195145), (1010, 156116), (1240, 127159), (1259, 125240), (2020, 78058), (2518, 62620), (3131, 50360), (4040, 39029), (5036, 31310), (6262, 25180), (6295, 25048), (10072, 15655), (12524, 12590)]