217510020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 288

約数和(自身を含む): 831667200

約数和(自身を除く): 614157180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 271, 273, 294, 315, 343, 364, 390, 420, 441, 455, 468, 490, 542, 546, 585, 588, 630, 637, 686, 735, 780, 813, 819, 882, 910, 980, 1029, 1084, 1092, 1170, 1260, 1274, 1355, 1365, 1372, 1470, 1626, 1638, 1715, 1764, 1820, 1897, 1911, 2058, 2205, 2340, 2439, 2548, 2710, 2730, 2940, 3087, 3185, 3252, 3276, 3430, 3523, 3794, 3822, 4065, 4095, 4116, 4410, 4459, 4878, 5145, 5420, 5460, 5691, 5733, 6174, 6370, 6860, 7046, 7588, 7644, 8130, 8190, 8820, 8918, 9485, 9555, 9756, 10290, 10569, 11382, 11466, 12195, 12348, 12740, 13279, 13377, 14092, 15435, 16260, 16380, 17073, 17615, 17836, 18970, 19110, 20580, 21138, 22295, 22764, 22932, 24390, 24661, 26558, 26754, 28455, 28665, 30870, 31707, 34146, 35230, 37940, 38220, 39837, 40131, 42276, 44590, 48780, 49322, 52845, 53116, 53508, 56910, 57330, 61740, 63414, 66395, 66885, 68292, 70460, 73983, 79674, 80262, 85365, 89180, 92953, 98644, 105690, 113820, 114660, 119511, 123305, 126828, 132790, 133770, 147966, 158535, 159348, 160524, 170730, 172627, 185906, 199185, 200655, 211380, 221949, 239022, 246610, 265580, 267540, 278859, 295932, 317070, 341460, 345254, 369915, 371812, 398370, 401310, 443898, 464765, 478044, 493220, 517881, 557718, 597555, 634140, 690508, 739830, 796740, 802620, 836577, 863135, 887796, 929530, 1035762, 1109745, 1115436, 1195110, 1208389, 1394295, 1479660, 1553643, 1673154, 1726270, 1859060, 2071524, 2219490, 2390220, 2416778, 2589405, 2788590, 3107286, 3346308, 3452540, 3625167, 4182885, 4438980, 4833556, 5178810, 5577180, 6041945, 6214572, 7250334, 7768215, 8365770, 10357620, 10875501, 12083890, 14500668, 15536430, 16731540, 18125835, 21751002, 24167780, 31072860, 36251670, 43502004, 54377505, 72503340, 108755010, 217510020]

約数ペア:

[(1, 217510020), (2, 108755010), (3, 72503340), (4, 54377505), (5, 43502004), (6, 36251670), (7, 31072860), (9, 24167780), (10, 21751002), (12, 18125835), (13, 16731540), (14, 15536430), (15, 14500668), (18, 12083890), (20, 10875501), (21, 10357620), (26, 8365770), (28, 7768215), (30, 7250334), (35, 6214572), (36, 6041945), (39, 5577180), (42, 5178810), (45, 4833556), (49, 4438980), (52, 4182885), (60, 3625167), (63, 3452540), (65, 3346308), (70, 3107286), (78, 2788590), (84, 2589405), (90, 2416778), (91, 2390220), (98, 2219490), (105, 2071524), (117, 1859060), (126, 1726270), (130, 1673154), (140, 1553643), (147, 1479660), (156, 1394295), (180, 1208389), (182, 1195110), (195, 1115436), (196, 1109745), (210, 1035762), (234, 929530), (245, 887796), (252, 863135), (260, 836577), (271, 802620), (273, 796740), (294, 739830), (315, 690508), (343, 634140), (364, 597555), (390, 557718), (420, 517881), (441, 493220), (455, 478044), (468, 464765), (490, 443898), (542, 401310), (546, 398370), (585, 371812), (588, 369915), (630, 345254), (637, 341460), (686, 317070), (735, 295932), (780, 278859), (813, 267540), (819, 265580), (882, 246610), (910, 239022), (980, 221949), (1029, 211380), (1084, 200655), (1092, 199185), (1170, 185906), (1260, 172627), (1274, 170730), (1355, 160524), (1365, 159348), (1372, 158535), (1470, 147966), (1626, 133770), (1638, 132790), (1715, 126828), (1764, 123305), (1820, 119511), (1897, 114660), (1911, 113820), (2058, 105690), (2205, 98644), (2340, 92953), (2439, 89180), (2548, 85365), (2710, 80262), (2730, 79674), (2940, 73983), (3087, 70460), (3185, 68292), (3252, 66885), (3276, 66395), (3430, 63414), (3523, 61740), (3794, 57330), (3822, 56910), (4065, 53508), (4095, 53116), (4116, 52845), (4410, 49322), (4459, 48780), (4878, 44590), (5145, 42276), (5420, 40131), (5460, 39837), (5691, 38220), (5733, 37940), (6174, 35230), (6370, 34146), (6860, 31707), (7046, 30870), (7588, 28665), (7644, 28455), (8130, 26754), (8190, 26558), (8820, 24661), (8918, 24390), (9485, 22932), (9555, 22764), (9756, 22295), (10290, 21138), (10569, 20580), (11382, 19110), (11466, 18970), (12195, 17836), (12348, 17615), (12740, 17073), (13279, 16380), (13377, 16260), (14092, 15435)]