665114920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{23321}}^1$

素因数の和:23386

約数の個数: 64

約数和(自身を含む): 1612016640

約数和(自身を除く): 946901720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 23321, 28520, 46642, 93284, 116605, 186568, 233210, 466420, 536383, 722951, 932840, 1072766, 1445902, 2145532, 2681915, 2891804, 3614755, 4291064, 5363830, 5783608, 7229510, 10727660, 14459020, 16627873, 21455320, 28918040, 33255746, 66511492, 83139365, 133022984, 166278730, 332557460, 665114920]

約数ペア:

[(1, 665114920), (2, 332557460), (4, 166278730), (5, 133022984), (8, 83139365), (10, 66511492), (20, 33255746), (23, 28918040), (31, 21455320), (40, 16627873), (46, 14459020), (62, 10727660), (92, 7229510), (115, 5783608), (124, 5363830), (155, 4291064), (184, 3614755), (230, 2891804), (248, 2681915), (310, 2145532), (460, 1445902), (620, 1072766), (713, 932840), (920, 722951), (1240, 536383), (1426, 466420), (2852, 233210), (3565, 186568), (5704, 116605), (7130, 93284), (14260, 46642), (23321, 28520)]