8421660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 28435680

約数和(自身を除く): 20014020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 61, 65, 78, 90, 117, 118, 122, 130, 156, 177, 180, 183, 195, 234, 236, 244, 260, 295, 305, 354, 366, 390, 468, 531, 549, 585, 590, 610, 708, 732, 767, 780, 793, 885, 915, 1062, 1098, 1170, 1180, 1220, 1534, 1586, 1770, 1830, 2124, 2196, 2301, 2340, 2379, 2655, 2745, 3068, 3172, 3540, 3599, 3660, 3835, 3965, 4602, 4758, 5310, 5490, 6903, 7137, 7198, 7670, 7930, 9204, 9516, 10620, 10797, 10980, 11505, 11895, 13806, 14274, 14396, 15340, 15860, 17995, 21594, 23010, 23790, 27612, 28548, 32391, 34515, 35685, 35990, 43188, 46020, 46787, 47580, 53985, 64782, 69030, 71370, 71980, 93574, 107970, 129564, 138060, 140361, 142740, 161955, 187148, 215940, 233935, 280722, 323910, 421083, 467870, 561444, 647820, 701805, 842166, 935740, 1403610, 1684332, 2105415, 2807220, 4210830, 8421660]

約数ペア:

[(1, 8421660), (2, 4210830), (3, 2807220), (4, 2105415), (5, 1684332), (6, 1403610), (9, 935740), (10, 842166), (12, 701805), (13, 647820), (15, 561444), (18, 467870), (20, 421083), (26, 323910), (30, 280722), (36, 233935), (39, 215940), (45, 187148), (52, 161955), (59, 142740), (60, 140361), (61, 138060), (65, 129564), (78, 107970), (90, 93574), (117, 71980), (118, 71370), (122, 69030), (130, 64782), (156, 53985), (177, 47580), (180, 46787), (183, 46020), (195, 43188), (234, 35990), (236, 35685), (244, 34515), (260, 32391), (295, 28548), (305, 27612), (354, 23790), (366, 23010), (390, 21594), (468, 17995), (531, 15860), (549, 15340), (585, 14396), (590, 14274), (610, 13806), (708, 11895), (732, 11505), (767, 10980), (780, 10797), (793, 10620), (885, 9516), (915, 9204), (1062, 7930), (1098, 7670), (1170, 7198), (1180, 7137), (1220, 6903), (1534, 5490), (1586, 5310), (1770, 4758), (1830, 4602), (2124, 3965), (2196, 3835), (2301, 3660), (2340, 3599), (2379, 3540), (2655, 3172), (2745, 3068)]