256790430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16883}}^1$

素因数の和:16922

約数の個数: 72

約数和(自身を含む): 723006648

約数和(自身を除く): 466216218

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 7605, 15210, 16883, 33766, 50649, 84415, 101298, 151947, 168830, 219479, 253245, 303894, 438958, 506490, 658437, 759735, 1097395, 1316874, 1519470, 1975311, 2194790, 2853227, 3292185, 3950622, 5706454, 6584370, 8559681, 9876555, 14266135, 17119362, 19753110, 25679043, 28532270, 42798405, 51358086, 85596810, 128395215, 256790430]

約数ペア:

[(1, 256790430), (2, 128395215), (3, 85596810), (5, 51358086), (6, 42798405), (9, 28532270), (10, 25679043), (13, 19753110), (15, 17119362), (18, 14266135), (26, 9876555), (30, 8559681), (39, 6584370), (45, 5706454), (65, 3950622), (78, 3292185), (90, 2853227), (117, 2194790), (130, 1975311), (169, 1519470), (195, 1316874), (234, 1097395), (338, 759735), (390, 658437), (507, 506490), (585, 438958), (845, 303894), (1014, 253245), (1170, 219479), (1521, 168830), (1690, 151947), (2535, 101298), (3042, 84415), (5070, 50649), (7605, 33766), (15210, 16883)]