15661918120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{58379}}^1$

素因数の和:58762

約数の個数: 64

約数和(自身を含む): 37199736000

約数和(自身を除く): 21537817880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 353, 380, 706, 760, 1412, 1765, 2824, 3530, 6707, 7060, 13414, 14120, 26828, 33535, 53656, 58379, 67070, 116758, 134140, 233516, 268280, 291895, 467032, 583790, 1109201, 1167580, 2218402, 2335160, 4436804, 5546005, 8873608, 11092010, 20607787, 22184020, 41215574, 44368040, 82431148, 103038935, 164862296, 206077870, 391547953, 412155740, 783095906, 824311480, 1566191812, 1957739765, 3132383624, 3915479530, 7830959060, 15661918120]

約数ペア:

[(1, 15661918120), (2, 7830959060), (4, 3915479530), (5, 3132383624), (8, 1957739765), (10, 1566191812), (19, 824311480), (20, 783095906), (38, 412155740), (40, 391547953), (76, 206077870), (95, 164862296), (152, 103038935), (190, 82431148), (353, 44368040), (380, 41215574), (706, 22184020), (760, 20607787), (1412, 11092010), (1765, 8873608), (2824, 5546005), (3530, 4436804), (6707, 2335160), (7060, 2218402), (13414, 1167580), (14120, 1109201), (26828, 583790), (33535, 467032), (53656, 291895), (58379, 268280), (67070, 233516), (116758, 134140)]