156978160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 383279040

約数和(自身を除く): 226300880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 464, 568, 580, 710, 953, 1136, 1160, 1420, 1906, 2059, 2320, 2840, 3812, 4118, 4765, 5680, 7624, 8236, 9530, 10295, 15248, 16472, 19060, 20590, 27637, 32944, 38120, 41180, 55274, 67663, 76240, 82360, 110548, 135326, 138185, 164720, 221096, 270652, 276370, 338315, 442192, 541304, 552740, 676630, 1082608, 1105480, 1353260, 1962227, 2210960, 2706520, 3924454, 5413040, 7848908, 9811135, 15697816, 19622270, 31395632, 39244540, 78489080, 156978160]

約数ペア:

[(1, 156978160), (2, 78489080), (4, 39244540), (5, 31395632), (8, 19622270), (10, 15697816), (16, 9811135), (20, 7848908), (29, 5413040), (40, 3924454), (58, 2706520), (71, 2210960), (80, 1962227), (116, 1353260), (142, 1105480), (145, 1082608), (232, 676630), (284, 552740), (290, 541304), (355, 442192), (464, 338315), (568, 276370), (580, 270652), (710, 221096), (953, 164720), (1136, 138185), (1160, 135326), (1420, 110548), (1906, 82360), (2059, 76240), (2320, 67663), (2840, 55274), (3812, 41180), (4118, 38120), (4765, 32944), (5680, 27637), (7624, 20590), (8236, 19060), (9530, 16472), (10295, 15248)]