664963020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13241}}^1$

素因数の和:13293

約数の個数: 120

約数和(自身を含む): 2153467008

約数和(自身を除く): 1488503988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 13241, 16740, 25110, 26482, 39723, 50220, 52964, 66205, 79446, 119169, 132410, 158892, 198615, 238338, 264820, 357507, 397230, 410471, 476676, 595845, 715014, 794460, 820942, 1072521, 1191690, 1231413, 1430028, 1641884, 1787535, 2052355, 2145042, 2383380, 2462826, 3575070, 3694239, 4104710, 4290084, 4925652, 5362605, 6157065, 7150140, 7388478, 8209420, 10725210, 11082717, 12314130, 14776956, 18471195, 21450420, 22165434, 24628260, 33248151, 36942390, 44330868, 55413585, 66496302, 73884780, 110827170, 132992604, 166240755, 221654340, 332481510, 664963020]

約数ペア:

[(1, 664963020), (2, 332481510), (3, 221654340), (4, 166240755), (5, 132992604), (6, 110827170), (9, 73884780), (10, 66496302), (12, 55413585), (15, 44330868), (18, 36942390), (20, 33248151), (27, 24628260), (30, 22165434), (31, 21450420), (36, 18471195), (45, 14776956), (54, 12314130), (60, 11082717), (62, 10725210), (81, 8209420), (90, 7388478), (93, 7150140), (108, 6157065), (124, 5362605), (135, 4925652), (155, 4290084), (162, 4104710), (180, 3694239), (186, 3575070), (270, 2462826), (279, 2383380), (310, 2145042), (324, 2052355), (372, 1787535), (405, 1641884), (465, 1430028), (540, 1231413), (558, 1191690), (620, 1072521), (810, 820942), (837, 794460), (930, 715014), (1116, 595845), (1395, 476676), (1620, 410471), (1674, 397230), (1860, 357507), (2511, 264820), (2790, 238338), (3348, 198615), (4185, 158892), (5022, 132410), (5580, 119169), (8370, 79446), (10044, 66205), (12555, 52964), (13241, 50220), (16740, 39723), (25110, 26482)]