90640960

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1483}}^1$

素因数の和:1691

約数の個数: 56

約数和(自身を含む): 217115136

約数和(自身を除く): 126474176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1483, 1528, 1910, 2966, 3056, 3820, 5932, 6112, 7415, 7640, 11864, 12224, 14830, 15280, 23728, 29660, 30560, 47456, 59320, 61120, 94912, 118640, 237280, 283253, 474560, 566506, 1133012, 1416265, 2266024, 2832530, 4532048, 5665060, 9064096, 11330120, 18128192, 22660240, 45320480, 90640960]

約数ペア:

[(1, 90640960), (2, 45320480), (4, 22660240), (5, 18128192), (8, 11330120), (10, 9064096), (16, 5665060), (20, 4532048), (32, 2832530), (40, 2266024), (64, 1416265), (80, 1133012), (160, 566506), (191, 474560), (320, 283253), (382, 237280), (764, 118640), (955, 94912), (1483, 61120), (1528, 59320), (1910, 47456), (2966, 30560), (3056, 29660), (3820, 23728), (5932, 15280), (6112, 14830), (7415, 12224), (7640, 11864)]