131579760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 160

約数和(自身を含む): 443596608

約数和(自身を除く): 312016848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 181, 195, 208, 233, 240, 260, 312, 362, 390, 466, 520, 543, 624, 699, 724, 780, 905, 932, 1040, 1086, 1165, 1398, 1448, 1560, 1810, 1864, 2172, 2330, 2353, 2715, 2796, 2896, 3029, 3120, 3495, 3620, 3728, 4344, 4660, 4706, 5430, 5592, 6058, 6990, 7059, 7240, 8688, 9087, 9320, 9412, 10860, 11184, 11765, 12116, 13980, 14118, 14480, 15145, 18174, 18640, 18824, 21720, 23530, 24232, 27960, 28236, 30290, 35295, 36348, 37648, 42173, 43440, 45435, 47060, 48464, 55920, 56472, 60580, 70590, 72696, 84346, 90870, 94120, 112944, 121160, 126519, 141180, 145392, 168692, 181740, 188240, 210865, 242320, 253038, 282360, 337384, 363480, 421730, 506076, 548249, 564720, 632595, 674768, 726960, 843460, 1012152, 1096498, 1265190, 1644747, 1686920, 2024304, 2192996, 2530380, 2741245, 3289494, 3373840, 4385992, 5060760, 5482490, 6578988, 8223735, 8771984, 10121520, 10964980, 13157976, 16447470, 21929960, 26315952, 32894940, 43859920, 65789880, 131579760]

約数ペア:

[(1, 131579760), (2, 65789880), (3, 43859920), (4, 32894940), (5, 26315952), (6, 21929960), (8, 16447470), (10, 13157976), (12, 10964980), (13, 10121520), (15, 8771984), (16, 8223735), (20, 6578988), (24, 5482490), (26, 5060760), (30, 4385992), (39, 3373840), (40, 3289494), (48, 2741245), (52, 2530380), (60, 2192996), (65, 2024304), (78, 1686920), (80, 1644747), (104, 1265190), (120, 1096498), (130, 1012152), (156, 843460), (181, 726960), (195, 674768), (208, 632595), (233, 564720), (240, 548249), (260, 506076), (312, 421730), (362, 363480), (390, 337384), (466, 282360), (520, 253038), (543, 242320), (624, 210865), (699, 188240), (724, 181740), (780, 168692), (905, 145392), (932, 141180), (1040, 126519), (1086, 121160), (1165, 112944), (1398, 94120), (1448, 90870), (1560, 84346), (1810, 72696), (1864, 70590), (2172, 60580), (2330, 56472), (2353, 55920), (2715, 48464), (2796, 47060), (2896, 45435), (3029, 43440), (3120, 42173), (3495, 37648), (3620, 36348), (3728, 35295), (4344, 30290), (4660, 28236), (4706, 27960), (5430, 24232), (5592, 23530), (6058, 21720), (6990, 18824), (7059, 18640), (7240, 18174), (8688, 15145), (9087, 14480), (9320, 14118), (9412, 13980), (10860, 12116), (11184, 11765)]