217381320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:446

約数の個数: 240

約数和(自身を含む): 793162260

約数和(自身を除く): 575780940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 169, 180, 195, 216, 234, 260, 270, 312, 324, 338, 351, 360, 390, 397, 405, 468, 507, 520, 540, 585, 648, 676, 702, 780, 794, 810, 845, 936, 1014, 1053, 1080, 1170, 1191, 1352, 1404, 1521, 1560, 1588, 1620, 1690, 1755, 1985, 2028, 2106, 2340, 2382, 2535, 2808, 3042, 3176, 3240, 3380, 3510, 3573, 3970, 4056, 4212, 4563, 4680, 4764, 5070, 5161, 5265, 5955, 6084, 6760, 7020, 7146, 7605, 7940, 8424, 9126, 9528, 10140, 10322, 10530, 10719, 11910, 12168, 13689, 14040, 14292, 15210, 15483, 15880, 17865, 18252, 20280, 20644, 21060, 21438, 22815, 23820, 25805, 27378, 28584, 30420, 30966, 32157, 35730, 36504, 41288, 42120, 42876, 45630, 46449, 47640, 51610, 53595, 54756, 60840, 61932, 64314, 67093, 68445, 71460, 77415, 85752, 91260, 92898, 103220, 107190, 109512, 123864, 128628, 134186, 136890, 139347, 142920, 154830, 160785, 182520, 185796, 201279, 206440, 214380, 232245, 257256, 268372, 273780, 278694, 309660, 321570, 335465, 371592, 402558, 418041, 428760, 464490, 536744, 547560, 557388, 603837, 619320, 643140, 670930, 696735, 805116, 836082, 928980, 1006395, 1114776, 1207674, 1286280, 1341860, 1393470, 1610232, 1672164, 1811511, 1857960, 2012790, 2090205, 2415348, 2683720, 2786940, 3019185, 3344328, 3623022, 4025580, 4180410, 4830696, 5434533, 5573880, 6038370, 7246044, 8051160, 8360820, 9057555, 10869066, 12076740, 14492088, 16721640, 18115110, 21738132, 24153480, 27172665, 36230220, 43476264, 54345330, 72460440, 108690660, 217381320]

約数ペア:

[(1, 217381320), (2, 108690660), (3, 72460440), (4, 54345330), (5, 43476264), (6, 36230220), (8, 27172665), (9, 24153480), (10, 21738132), (12, 18115110), (13, 16721640), (15, 14492088), (18, 12076740), (20, 10869066), (24, 9057555), (26, 8360820), (27, 8051160), (30, 7246044), (36, 6038370), (39, 5573880), (40, 5434533), (45, 4830696), (52, 4180410), (54, 4025580), (60, 3623022), (65, 3344328), (72, 3019185), (78, 2786940), (81, 2683720), (90, 2415348), (104, 2090205), (108, 2012790), (117, 1857960), (120, 1811511), (130, 1672164), (135, 1610232), (156, 1393470), (162, 1341860), (169, 1286280), (180, 1207674), (195, 1114776), (216, 1006395), (234, 928980), (260, 836082), (270, 805116), (312, 696735), (324, 670930), (338, 643140), (351, 619320), (360, 603837), (390, 557388), (397, 547560), (405, 536744), (468, 464490), (507, 428760), (520, 418041), (540, 402558), (585, 371592), (648, 335465), (676, 321570), (702, 309660), (780, 278694), (794, 273780), (810, 268372), (845, 257256), (936, 232245), (1014, 214380), (1053, 206440), (1080, 201279), (1170, 185796), (1191, 182520), (1352, 160785), (1404, 154830), (1521, 142920), (1560, 139347), (1588, 136890), (1620, 134186), (1690, 128628), (1755, 123864), (1985, 109512), (2028, 107190), (2106, 103220), (2340, 92898), (2382, 91260), (2535, 85752), (2808, 77415), (3042, 71460), (3176, 68445), (3240, 67093), (3380, 64314), (3510, 61932), (3573, 60840), (3970, 54756), (4056, 53595), (4212, 51610), (4563, 47640), (4680, 46449), (4764, 45630), (5070, 42876), (5161, 42120), (5265, 41288), (5955, 36504), (6084, 35730), (6760, 32157), (7020, 30966), (7146, 30420), (7605, 28584), (7940, 27378), (8424, 25805), (9126, 23820), (9528, 22815), (10140, 21438), (10322, 21060), (10530, 20644), (10719, 20280), (11910, 18252), (12168, 17865), (13689, 15880), (14040, 15483), (14292, 15210)]