1577103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{23567}}^1$

素因数の和:23824

約数の個数: 64

約数和(自身を含む): 4072550400

約数和(自身を除く): 2495446760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 6692, 8365, 9560, 13384, 16730, 23567, 33460, 47134, 66920, 94268, 117835, 164969, 188536, 235670, 329938, 471340, 659876, 824845, 942680, 1319752, 1649690, 3299380, 5632513, 6598760, 11265026, 22530052, 28162565, 39427591, 45060104, 56325130, 78855182, 112650260, 157710364, 197137955, 225300520, 315420728, 394275910, 788551820, 1577103640]

約数ペア:

[(1, 1577103640), (2, 788551820), (4, 394275910), (5, 315420728), (7, 225300520), (8, 197137955), (10, 157710364), (14, 112650260), (20, 78855182), (28, 56325130), (35, 45060104), (40, 39427591), (56, 28162565), (70, 22530052), (140, 11265026), (239, 6598760), (280, 5632513), (478, 3299380), (956, 1649690), (1195, 1319752), (1673, 942680), (1912, 824845), (2390, 659876), (3346, 471340), (4780, 329938), (6692, 235670), (8365, 188536), (9560, 164969), (13384, 117835), (16730, 94268), (23567, 66920), (33460, 47134)]