256218320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^2\times {\mathrm{601}}^1$

素因数の和:760

約数の個数: 60

約数和(自身を含む): 604984716

約数和(自身を除く): 348766396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 601, 730, 1168, 1202, 1460, 2404, 2920, 3005, 4808, 5329, 5840, 6010, 9616, 10658, 12020, 21316, 24040, 26645, 42632, 43873, 48080, 53290, 85264, 87746, 106580, 175492, 213160, 219365, 350984, 426320, 438730, 701968, 877460, 1754920, 3202729, 3509840, 6405458, 12810916, 16013645, 25621832, 32027290, 51243664, 64054580, 128109160, 256218320]

約数ペア:

[(1, 256218320), (2, 128109160), (4, 64054580), (5, 51243664), (8, 32027290), (10, 25621832), (16, 16013645), (20, 12810916), (40, 6405458), (73, 3509840), (80, 3202729), (146, 1754920), (292, 877460), (365, 701968), (584, 438730), (601, 426320), (730, 350984), (1168, 219365), (1202, 213160), (1460, 175492), (2404, 106580), (2920, 87746), (3005, 85264), (4808, 53290), (5329, 48080), (5840, 43873), (6010, 42632), (9616, 26645), (10658, 24040), (12020, 21316)]