30121770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 86939136

約数和(自身を除く): 56817366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 651, 661, 735, 930, 1085, 1302, 1322, 1470, 1519, 1983, 2170, 3038, 3255, 3305, 3966, 4557, 4627, 6510, 6610, 7595, 9114, 9254, 9915, 13881, 15190, 19830, 20491, 22785, 23135, 27762, 32389, 40982, 45570, 46270, 61473, 64778, 69405, 97167, 102455, 122946, 138810, 143437, 161945, 194334, 204910, 286874, 307365, 323890, 430311, 485835, 614730, 717185, 860622, 971670, 1004059, 1434370, 2008118, 2151555, 3012177, 4303110, 5020295, 6024354, 10040590, 15060885, 30121770]

約数ペア:

[(1, 30121770), (2, 15060885), (3, 10040590), (5, 6024354), (6, 5020295), (7, 4303110), (10, 3012177), (14, 2151555), (15, 2008118), (21, 1434370), (30, 1004059), (31, 971670), (35, 860622), (42, 717185), (49, 614730), (62, 485835), (70, 430311), (93, 323890), (98, 307365), (105, 286874), (147, 204910), (155, 194334), (186, 161945), (210, 143437), (217, 138810), (245, 122946), (294, 102455), (310, 97167), (434, 69405), (465, 64778), (490, 61473), (651, 46270), (661, 45570), (735, 40982), (930, 32389), (1085, 27762), (1302, 23135), (1322, 22785), (1470, 20491), (1519, 19830), (1983, 15190), (2170, 13881), (3038, 9915), (3255, 9254), (3305, 9114), (3966, 7595), (4557, 6610), (4627, 6510)]