131398020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 432864432

約数和(自身を除く): 301466412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 233, 234, 241, 260, 390, 466, 468, 482, 585, 699, 723, 780, 932, 964, 1165, 1170, 1205, 1398, 1446, 2097, 2169, 2330, 2340, 2410, 2796, 2892, 3029, 3133, 3495, 3615, 4194, 4338, 4660, 4820, 6058, 6266, 6990, 7230, 8388, 8676, 9087, 9399, 10485, 10845, 12116, 12532, 13980, 14460, 15145, 15665, 18174, 18798, 20970, 21690, 27261, 28197, 30290, 31330, 36348, 37596, 41940, 43380, 45435, 46995, 54522, 56153, 56394, 60580, 62660, 90870, 93990, 109044, 112306, 112788, 136305, 140985, 168459, 181740, 187980, 224612, 272610, 280765, 281970, 336918, 505377, 545220, 561530, 563940, 673836, 729989, 842295, 1010754, 1123060, 1459978, 1684590, 2021508, 2189967, 2526885, 2919956, 3369180, 3649945, 4379934, 5053770, 6569901, 7299890, 8759868, 10107540, 10949835, 13139802, 14599780, 21899670, 26279604, 32849505, 43799340, 65699010, 131398020]

約数ペア:

[(1, 131398020), (2, 65699010), (3, 43799340), (4, 32849505), (5, 26279604), (6, 21899670), (9, 14599780), (10, 13139802), (12, 10949835), (13, 10107540), (15, 8759868), (18, 7299890), (20, 6569901), (26, 5053770), (30, 4379934), (36, 3649945), (39, 3369180), (45, 2919956), (52, 2526885), (60, 2189967), (65, 2021508), (78, 1684590), (90, 1459978), (117, 1123060), (130, 1010754), (156, 842295), (180, 729989), (195, 673836), (233, 563940), (234, 561530), (241, 545220), (260, 505377), (390, 336918), (466, 281970), (468, 280765), (482, 272610), (585, 224612), (699, 187980), (723, 181740), (780, 168459), (932, 140985), (964, 136305), (1165, 112788), (1170, 112306), (1205, 109044), (1398, 93990), (1446, 90870), (2097, 62660), (2169, 60580), (2330, 56394), (2340, 56153), (2410, 54522), (2796, 46995), (2892, 45435), (3029, 43380), (3133, 41940), (3495, 37596), (3615, 36348), (4194, 31330), (4338, 30290), (4660, 28197), (4820, 27261), (6058, 21690), (6266, 20970), (6990, 18798), (7230, 18174), (8388, 15665), (8676, 15145), (9087, 14460), (9399, 13980), (10485, 12532), (10845, 12116)]