285278760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 240

約数和(自身を含む): 1040278140

約数和(自身を除く): 754999380

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, 405, 468, 507, 520, 521, 540, 585, 648, 676, 702, 780, 810, 845, 936, 1014, 1042, 1053, 1080, 1170, 1352, 1404, 1521, 1560, 1563, 1620, 1690, 1755, 2028, 2084, 2106, 2340, 2535, 2605, 2808, 3042, 3126, 3240, 3380, 3510, 4056, 4168, 4212, 4563, 4680, 4689, 5070, 5210, 5265, 6084, 6252, 6760, 6773, 7020, 7605, 7815, 8424, 9126, 9378, 10140, 10420, 10530, 12168, 12504, 13546, 13689, 14040, 14067, 15210, 15630, 18252, 18756, 20280, 20319, 20840, 21060, 22815, 23445, 27092, 27378, 28134, 30420, 31260, 33865, 36504, 37512, 40638, 42120, 42201, 45630, 46890, 54184, 54756, 56268, 60840, 60957, 62520, 67730, 68445, 70335, 81276, 84402, 88049, 91260, 93780, 101595, 109512, 112536, 121914, 135460, 136890, 140670, 162552, 168804, 176098, 182520, 182871, 187560, 203190, 211005, 243828, 264147, 270920, 273780, 281340, 304785, 337608, 352196, 365742, 406380, 422010, 440245, 487656, 528294, 547560, 548613, 562680, 609570, 704392, 731484, 792441, 812760, 844020, 880490, 914355, 1056588, 1097226, 1219140, 1320735, 1462968, 1584882, 1688040, 1760980, 1828710, 2113176, 2194452, 2377323, 2438280, 2641470, 2743065, 3169764, 3521960, 3657420, 3962205, 4388904, 4754646, 5282940, 5486130, 6339528, 7131969, 7314840, 7924410, 9509292, 10565880, 10972260, 11886615, 14263938, 15848820, 19018584, 21944520, 23773230, 28527876, 31697640, 35659845, 47546460, 57055752, 71319690, 95092920, 142639380, 285278760]

約数ペア:

[(1, 285278760), (2, 142639380), (3, 95092920), (4, 71319690), (5, 57055752), (6, 47546460), (8, 35659845), (9, 31697640), (10, 28527876), (12, 23773230), (13, 21944520), (15, 19018584), (18, 15848820), (20, 14263938), (24, 11886615), (26, 10972260), (27, 10565880), (30, 9509292), (36, 7924410), (39, 7314840), (40, 7131969), (45, 6339528), (52, 5486130), (54, 5282940), (60, 4754646), (65, 4388904), (72, 3962205), (78, 3657420), (81, 3521960), (90, 3169764), (104, 2743065), (108, 2641470), (117, 2438280), (120, 2377323), (130, 2194452), (135, 2113176), (156, 1828710), (162, 1760980), (169, 1688040), (180, 1584882), (195, 1462968), (216, 1320735), (234, 1219140), (260, 1097226), (270, 1056588), (312, 914355), (324, 880490), (338, 844020), (351, 812760), (360, 792441), (390, 731484), (405, 704392), (468, 609570), (507, 562680), (520, 548613), (521, 547560), (540, 528294), (585, 487656), (648, 440245), (676, 422010), (702, 406380), (780, 365742), (810, 352196), (845, 337608), (936, 304785), (1014, 281340), (1042, 273780), (1053, 270920), (1080, 264147), (1170, 243828), (1352, 211005), (1404, 203190), (1521, 187560), (1560, 182871), (1563, 182520), (1620, 176098), (1690, 168804), (1755, 162552), (2028, 140670), (2084, 136890), (2106, 135460), (2340, 121914), (2535, 112536), (2605, 109512), (2808, 101595), (3042, 93780), (3126, 91260), (3240, 88049), (3380, 84402), (3510, 81276), (4056, 70335), (4168, 68445), (4212, 67730), (4563, 62520), (4680, 60957), (4689, 60840), (5070, 56268), (5210, 54756), (5265, 54184), (6084, 46890), (6252, 45630), (6760, 42201), (6773, 42120), (7020, 40638), (7605, 37512), (7815, 36504), (8424, 33865), (9126, 31260), (9378, 30420), (10140, 28134), (10420, 27378), (10530, 27092), (12168, 23445), (12504, 22815), (13546, 21060), (13689, 20840), (14040, 20319), (14067, 20280), (15210, 18756), (15630, 18252)]