242730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 64

約数和(自身を含む): 691200

約数和(自身を除く): 448470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 31, 45, 54, 58, 62, 87, 90, 93, 135, 145, 155, 174, 186, 261, 270, 279, 290, 310, 435, 465, 522, 558, 783, 837, 870, 899, 930, 1305, 1395, 1566, 1674, 1798, 2610, 2697, 2790, 3915, 4185, 4495, 5394, 7830, 8091, 8370, 8990, 13485, 16182, 24273, 26970, 40455, 48546, 80910, 121365, 242730]

約数ペア:

[(1, 242730), (2, 121365), (3, 80910), (5, 48546), (6, 40455), (9, 26970), (10, 24273), (15, 16182), (18, 13485), (27, 8990), (29, 8370), (30, 8091), (31, 7830), (45, 5394), (54, 4495), (58, 4185), (62, 3915), (87, 2790), (90, 2697), (93, 2610), (135, 1798), (145, 1674), (155, 1566), (174, 1395), (186, 1305), (261, 930), (270, 899), (279, 870), (290, 837), (310, 783), (435, 558), (465, 522)]