261854080

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17789}}^1$

素因数の和:17831

約数の個数: 64

約数和(自身を含む): 653248800

約数和(自身を除く): 391394720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 17789, 35578, 71156, 88945, 142312, 177890, 284624, 355780, 409147, 569248, 711560, 818294, 1138496, 1423120, 1636588, 2045735, 2276992, 2846240, 3273176, 4091470, 5692480, 6546352, 8182940, 11384960, 13092704, 16365880, 26185408, 32731760, 52370816, 65463520, 130927040, 261854080]

約数ペア:

[(1, 261854080), (2, 130927040), (4, 65463520), (5, 52370816), (8, 32731760), (10, 26185408), (16, 16365880), (20, 13092704), (23, 11384960), (32, 8182940), (40, 6546352), (46, 5692480), (64, 4091470), (80, 3273176), (92, 2846240), (115, 2276992), (128, 2045735), (160, 1636588), (184, 1423120), (230, 1138496), (320, 818294), (368, 711560), (460, 569248), (640, 409147), (736, 355780), (920, 284624), (1472, 177890), (1840, 142312), (2944, 88945), (3680, 71156), (7360, 35578), (14720, 17789)]