262645360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2678

約数の個数: 80

約数和(自身を含む): 652636800

約数和(自身を除く): 389991440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 1072, 1273, 1340, 1520, 2546, 2579, 2680, 5092, 5158, 5360, 6365, 10184, 10316, 12730, 12895, 20368, 20632, 25460, 25790, 41264, 49001, 50920, 51580, 98002, 101840, 103160, 172793, 196004, 206320, 245005, 345586, 392008, 490010, 691172, 784016, 863965, 980020, 1382344, 1727930, 1960040, 2764688, 3283067, 3455860, 3920080, 6566134, 6911720, 13132268, 13823440, 16415335, 26264536, 32830670, 52529072, 65661340, 131322680, 262645360]

約数ペア:

[(1, 262645360), (2, 131322680), (4, 65661340), (5, 52529072), (8, 32830670), (10, 26264536), (16, 16415335), (19, 13823440), (20, 13132268), (38, 6911720), (40, 6566134), (67, 3920080), (76, 3455860), (80, 3283067), (95, 2764688), (134, 1960040), (152, 1727930), (190, 1382344), (268, 980020), (304, 863965), (335, 784016), (380, 691172), (536, 490010), (670, 392008), (760, 345586), (1072, 245005), (1273, 206320), (1340, 196004), (1520, 172793), (2546, 103160), (2579, 101840), (2680, 98002), (5092, 51580), (5158, 50920), (5360, 49001), (6365, 41264), (10184, 25790), (10316, 25460), (12730, 20632), (12895, 20368)]