261733680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 300

約数和(自身を含む): 988463520

約数和(自身を除く): 726729840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 169, 180, 195, 208, 216, 234, 239, 240, 260, 270, 312, 324, 338, 351, 360, 390, 405, 432, 468, 478, 507, 520, 540, 585, 624, 648, 676, 702, 717, 720, 780, 810, 845, 936, 956, 1014, 1040, 1053, 1080, 1170, 1195, 1296, 1352, 1404, 1434, 1521, 1560, 1620, 1690, 1755, 1872, 1912, 2028, 2106, 2151, 2160, 2340, 2390, 2535, 2704, 2808, 2868, 3042, 3107, 3120, 3240, 3380, 3510, 3585, 3824, 4056, 4212, 4302, 4563, 4680, 4780, 5070, 5265, 5616, 5736, 6084, 6214, 6453, 6480, 6760, 7020, 7170, 7605, 8112, 8424, 8604, 9126, 9321, 9360, 9560, 10140, 10530, 10755, 11472, 12168, 12428, 12906, 13520, 13689, 14040, 14340, 15210, 15535, 16848, 17208, 18252, 18642, 19120, 19359, 20280, 21060, 21510, 22815, 24336, 24856, 25812, 27378, 27963, 28080, 28680, 30420, 31070, 32265, 34416, 36504, 37284, 38718, 40391, 40560, 42120, 43020, 45630, 46605, 49712, 51624, 54756, 55926, 57360, 60840, 62140, 64530, 68445, 73008, 74568, 77436, 80782, 83889, 84240, 86040, 91260, 93210, 96795, 103248, 109512, 111852, 121173, 121680, 124280, 129060, 136890, 139815, 149136, 154872, 161564, 167778, 172080, 182520, 186420, 193590, 201955, 219024, 223704, 242346, 248560, 251667, 258120, 273780, 279630, 309744, 323128, 335556, 363519, 365040, 372840, 387180, 403910, 419445, 447408, 484692, 503334, 516240, 547560, 559260, 605865, 646256, 671112, 727038, 745680, 774360, 807820, 838890, 969384, 1006668, 1090557, 1095120, 1118520, 1211730, 1258335, 1342224, 1454076, 1548720, 1615640, 1677780, 1817595, 1938768, 2013336, 2181114, 2237040, 2423460, 2516670, 2908152, 3231280, 3271671, 3355560, 3635190, 4026672, 4362228, 4846920, 5033340, 5452785, 5816304, 6543342, 6711120, 7270380, 8724456, 9693840, 10066680, 10905570, 13086684, 14540760, 16358355, 17448912, 20133360, 21811140, 26173368, 29081520, 32716710, 43622280, 52346736, 65433420, 87244560, 130866840, 261733680]

約数ペア:

[(1, 261733680), (2, 130866840), (3, 87244560), (4, 65433420), (5, 52346736), (6, 43622280), (8, 32716710), (9, 29081520), (10, 26173368), (12, 21811140), (13, 20133360), (15, 17448912), (16, 16358355), (18, 14540760), (20, 13086684), (24, 10905570), (26, 10066680), (27, 9693840), (30, 8724456), (36, 7270380), (39, 6711120), (40, 6543342), (45, 5816304), (48, 5452785), (52, 5033340), (54, 4846920), (60, 4362228), (65, 4026672), (72, 3635190), (78, 3355560), (80, 3271671), (81, 3231280), (90, 2908152), (104, 2516670), (108, 2423460), (117, 2237040), (120, 2181114), (130, 2013336), (135, 1938768), (144, 1817595), (156, 1677780), (162, 1615640), (169, 1548720), (180, 1454076), (195, 1342224), (208, 1258335), (216, 1211730), (234, 1118520), (239, 1095120), (240, 1090557), (260, 1006668), (270, 969384), (312, 838890), (324, 807820), (338, 774360), (351, 745680), (360, 727038), (390, 671112), (405, 646256), (432, 605865), (468, 559260), (478, 547560), (507, 516240), (520, 503334), (540, 484692), (585, 447408), (624, 419445), (648, 403910), (676, 387180), (702, 372840), (717, 365040), (720, 363519), (780, 335556), (810, 323128), (845, 309744), (936, 279630), (956, 273780), (1014, 258120), (1040, 251667), (1053, 248560), (1080, 242346), (1170, 223704), (1195, 219024), (1296, 201955), (1352, 193590), (1404, 186420), (1434, 182520), (1521, 172080), (1560, 167778), (1620, 161564), (1690, 154872), (1755, 149136), (1872, 139815), (1912, 136890), (2028, 129060), (2106, 124280), (2151, 121680), (2160, 121173), (2340, 111852), (2390, 109512), (2535, 103248), (2704, 96795), (2808, 93210), (2868, 91260), (3042, 86040), (3107, 84240), (3120, 83889), (3240, 80782), (3380, 77436), (3510, 74568), (3585, 73008), (3824, 68445), (4056, 64530), (4212, 62140), (4302, 60840), (4563, 57360), (4680, 55926), (4780, 54756), (5070, 51624), (5265, 49712), (5616, 46605), (5736, 45630), (6084, 43020), (6214, 42120), (6453, 40560), (6480, 40391), (6760, 38718), (7020, 37284), (7170, 36504), (7605, 34416), (8112, 32265), (8424, 31070), (8604, 30420), (9126, 28680), (9321, 28080), (9360, 27963), (9560, 27378), (10140, 25812), (10530, 24856), (10755, 24336), (11472, 22815), (12168, 21510), (12428, 21060), (12906, 20280), (13520, 19359), (13689, 19120), (14040, 18642), (14340, 18252), (15210, 17208), (15535, 16848)]