15876640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 42865200

約数和(自身を除く): 26988560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 449, 520, 544, 680, 884, 898, 1040, 1105, 1360, 1768, 1796, 2080, 2210, 2245, 2720, 3536, 3592, 4420, 4490, 5837, 7072, 7184, 7633, 8840, 8980, 11674, 14368, 15266, 17680, 17960, 23348, 29185, 30532, 35360, 35920, 38165, 46696, 58370, 61064, 71840, 76330, 93392, 99229, 116740, 122128, 152660, 186784, 198458, 233480, 244256, 305320, 396916, 466960, 496145, 610640, 793832, 933920, 992290, 1221280, 1587664, 1984580, 3175328, 3969160, 7938320, 15876640]

約数ペア:

[(1, 15876640), (2, 7938320), (4, 3969160), (5, 3175328), (8, 1984580), (10, 1587664), (13, 1221280), (16, 992290), (17, 933920), (20, 793832), (26, 610640), (32, 496145), (34, 466960), (40, 396916), (52, 305320), (65, 244256), (68, 233480), (80, 198458), (85, 186784), (104, 152660), (130, 122128), (136, 116740), (160, 99229), (170, 93392), (208, 76330), (221, 71840), (260, 61064), (272, 58370), (340, 46696), (416, 38165), (442, 35920), (449, 35360), (520, 30532), (544, 29185), (680, 23348), (884, 17960), (898, 17680), (1040, 15266), (1105, 14368), (1360, 11674), (1768, 8980), (1796, 8840), (2080, 7633), (2210, 7184), (2245, 7072), (2720, 5837), (3536, 4490), (3592, 4420)]