78897160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 182865600

約数和(自身を除く): 103968440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 101, 118, 202, 236, 295, 331, 404, 472, 505, 590, 662, 808, 1010, 1180, 1324, 1655, 2020, 2360, 2648, 3310, 4040, 5959, 6620, 11918, 13240, 19529, 23836, 29795, 33431, 39058, 47672, 59590, 66862, 78116, 97645, 119180, 133724, 156232, 167155, 195290, 238360, 267448, 334310, 390580, 668620, 781160, 1337240, 1972429, 3944858, 7889716, 9862145, 15779432, 19724290, 39448580, 78897160]

約数ペア:

[(1, 78897160), (2, 39448580), (4, 19724290), (5, 15779432), (8, 9862145), (10, 7889716), (20, 3944858), (40, 1972429), (59, 1337240), (101, 781160), (118, 668620), (202, 390580), (236, 334310), (295, 267448), (331, 238360), (404, 195290), (472, 167155), (505, 156232), (590, 133724), (662, 119180), (808, 97645), (1010, 78116), (1180, 66862), (1324, 59590), (1655, 47672), (2020, 39058), (2360, 33431), (2648, 29795), (3310, 23836), (4040, 19529), (5959, 13240), (6620, 11918)]