408855720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37441}}^1$

素因数の和:37475

約数の個数: 128

約数和(自身を含む): 1509661440

約数和(自身を除く): 1100805720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 37441, 74882, 112323, 149764, 187205, 224646, 262087, 299528, 374410, 449292, 486733, 524174, 561615, 748820, 786261, 898584, 973466, 1048348, 1123230, 1310435, 1460199, 1497640, 1572522, 1946932, 2096696, 2246460, 2433665, 2620870, 2920398, 3145044, 3407131, 3893864, 3931305, 4492920, 4867330, 5241740, 5840796, 6290088, 6814262, 7300995, 7862610, 9734660, 10221393, 10483480, 11681592, 13628524, 14601990, 15725220, 17035655, 19469320, 20442786, 27257048, 29203980, 31450440, 34071310, 40885572, 51106965, 58407960, 68142620, 81771144, 102213930, 136285240, 204427860, 408855720]

約数ペア:

[(1, 408855720), (2, 204427860), (3, 136285240), (4, 102213930), (5, 81771144), (6, 68142620), (7, 58407960), (8, 51106965), (10, 40885572), (12, 34071310), (13, 31450440), (14, 29203980), (15, 27257048), (20, 20442786), (21, 19469320), (24, 17035655), (26, 15725220), (28, 14601990), (30, 13628524), (35, 11681592), (39, 10483480), (40, 10221393), (42, 9734660), (52, 7862610), (56, 7300995), (60, 6814262), (65, 6290088), (70, 5840796), (78, 5241740), (84, 4867330), (91, 4492920), (104, 3931305), (105, 3893864), (120, 3407131), (130, 3145044), (140, 2920398), (156, 2620870), (168, 2433665), (182, 2246460), (195, 2096696), (210, 1946932), (260, 1572522), (273, 1497640), (280, 1460199), (312, 1310435), (364, 1123230), (390, 1048348), (420, 973466), (455, 898584), (520, 786261), (546, 748820), (728, 561615), (780, 524174), (840, 486733), (910, 449292), (1092, 374410), (1365, 299528), (1560, 262087), (1820, 224646), (2184, 187205), (2730, 149764), (3640, 112323), (5460, 74882), (10920, 37441)]