171389920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 477804096

約数和(自身を除く): 306414176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 131, 136, 148, 160, 170, 185, 208, 221, 260, 262, 272, 296, 340, 370, 416, 442, 481, 520, 524, 544, 592, 629, 655, 680, 740, 884, 962, 1040, 1048, 1105, 1184, 1258, 1310, 1360, 1480, 1703, 1768, 1924, 2080, 2096, 2210, 2227, 2405, 2516, 2620, 2720, 2960, 3145, 3406, 3536, 3848, 4192, 4420, 4454, 4810, 4847, 5032, 5240, 5920, 6290, 6812, 7072, 7696, 8177, 8515, 8840, 8908, 9620, 9694, 10064, 10480, 11135, 12580, 13624, 15392, 16354, 17030, 17680, 17816, 19240, 19388, 20128, 20960, 22270, 24235, 25160, 27248, 28951, 32708, 34060, 35360, 35632, 38480, 38776, 40885, 44540, 48470, 50320, 54496, 57902, 63011, 65416, 68120, 71264, 76960, 77552, 81770, 82399, 89080, 96940, 100640, 115804, 126022, 130832, 136240, 144755, 155104, 163540, 164798, 178160, 193880, 231608, 252044, 261664, 272480, 289510, 315055, 327080, 329596, 356320, 387760, 411995, 463216, 504088, 579020, 630110, 654160, 659192, 775520, 823990, 926432, 1008176, 1071187, 1158040, 1260220, 1308320, 1318384, 1647980, 2016352, 2142374, 2316080, 2520440, 2636768, 3295960, 4284748, 4632160, 5040880, 5355935, 6591920, 8569496, 10081760, 10711870, 13183840, 17138992, 21423740, 34277984, 42847480, 85694960, 171389920]

約数ペア:

[(1, 171389920), (2, 85694960), (4, 42847480), (5, 34277984), (8, 21423740), (10, 17138992), (13, 13183840), (16, 10711870), (17, 10081760), (20, 8569496), (26, 6591920), (32, 5355935), (34, 5040880), (37, 4632160), (40, 4284748), (52, 3295960), (65, 2636768), (68, 2520440), (74, 2316080), (80, 2142374), (85, 2016352), (104, 1647980), (130, 1318384), (131, 1308320), (136, 1260220), (148, 1158040), (160, 1071187), (170, 1008176), (185, 926432), (208, 823990), (221, 775520), (260, 659192), (262, 654160), (272, 630110), (296, 579020), (340, 504088), (370, 463216), (416, 411995), (442, 387760), (481, 356320), (520, 329596), (524, 327080), (544, 315055), (592, 289510), (629, 272480), (655, 261664), (680, 252044), (740, 231608), (884, 193880), (962, 178160), (1040, 164798), (1048, 163540), (1105, 155104), (1184, 144755), (1258, 136240), (1310, 130832), (1360, 126022), (1480, 115804), (1703, 100640), (1768, 96940), (1924, 89080), (2080, 82399), (2096, 81770), (2210, 77552), (2227, 76960), (2405, 71264), (2516, 68120), (2620, 65416), (2720, 63011), (2960, 57902), (3145, 54496), (3406, 50320), (3536, 48470), (3848, 44540), (4192, 40885), (4420, 38776), (4454, 38480), (4810, 35632), (4847, 35360), (5032, 34060), (5240, 32708), (5920, 28951), (6290, 27248), (6812, 25160), (7072, 24235), (7696, 22270), (8177, 20960), (8515, 20128), (8840, 19388), (8908, 19240), (9620, 17816), (9694, 17680), (10064, 17030), (10480, 16354), (11135, 15392), (12580, 13624)]