890575920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 240

約数和(自身を含む): 3245729760

約数和(自身を除く): 2355153840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 563, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1126, 1170, 1352, 1521, 1560, 1689, 1690, 1872, 2028, 2197, 2252, 2340, 2535, 2704, 2815, 3042, 3120, 3378, 3380, 4056, 4394, 4504, 4680, 5067, 5070, 5630, 6084, 6591, 6756, 6760, 7319, 7605, 8112, 8445, 8788, 9008, 9360, 10134, 10140, 10985, 11260, 12168, 13182, 13512, 13520, 14638, 15210, 16890, 17576, 19773, 20268, 20280, 21957, 21970, 22520, 24336, 25335, 26364, 27024, 29276, 30420, 32955, 33780, 35152, 36595, 39546, 40536, 40560, 43914, 43940, 45040, 50670, 52728, 58552, 60840, 65871, 65910, 67560, 73190, 79092, 81072, 87828, 87880, 95147, 98865, 101340, 105456, 109785, 117104, 121680, 131742, 131820, 135120, 146380, 158184, 175656, 175760, 190294, 197730, 202680, 219570, 263484, 263640, 285441, 292760, 316368, 329355, 351312, 380588, 395460, 405360, 439140, 475735, 526968, 527280, 570882, 585520, 658710, 761176, 790920, 856323, 878280, 951470, 1053936, 1141764, 1236911, 1317420, 1427205, 1522352, 1581840, 1712646, 1756560, 1902940, 2283528, 2473822, 2634840, 2854410, 3425292, 3710733, 3805880, 4281615, 4567056, 4947644, 5269680, 5708820, 6184555, 6850584, 7421466, 7611760, 8563230, 9895288, 11132199, 11417640, 12369110, 13701168, 14842932, 17126460, 18553665, 19790576, 22264398, 22835280, 24738220, 29685864, 34252920, 37107330, 44528796, 49476440, 55660995, 59371728, 68505840, 74214660, 89057592, 98952880, 111321990, 148429320, 178115184, 222643980, 296858640, 445287960, 890575920]

約数ペア:

[(1, 890575920), (2, 445287960), (3, 296858640), (4, 222643980), (5, 178115184), (6, 148429320), (8, 111321990), (9, 98952880), (10, 89057592), (12, 74214660), (13, 68505840), (15, 59371728), (16, 55660995), (18, 49476440), (20, 44528796), (24, 37107330), (26, 34252920), (30, 29685864), (36, 24738220), (39, 22835280), (40, 22264398), (45, 19790576), (48, 18553665), (52, 17126460), (60, 14842932), (65, 13701168), (72, 12369110), (78, 11417640), (80, 11132199), (90, 9895288), (104, 8563230), (117, 7611760), (120, 7421466), (130, 6850584), (144, 6184555), (156, 5708820), (169, 5269680), (180, 4947644), (195, 4567056), (208, 4281615), (234, 3805880), (240, 3710733), (260, 3425292), (312, 2854410), (338, 2634840), (360, 2473822), (390, 2283528), (468, 1902940), (507, 1756560), (520, 1712646), (563, 1581840), (585, 1522352), (624, 1427205), (676, 1317420), (720, 1236911), (780, 1141764), (845, 1053936), (936, 951470), (1014, 878280), (1040, 856323), (1126, 790920), (1170, 761176), (1352, 658710), (1521, 585520), (1560, 570882), (1689, 527280), (1690, 526968), (1872, 475735), (2028, 439140), (2197, 405360), (2252, 395460), (2340, 380588), (2535, 351312), (2704, 329355), (2815, 316368), (3042, 292760), (3120, 285441), (3378, 263640), (3380, 263484), (4056, 219570), (4394, 202680), (4504, 197730), (4680, 190294), (5067, 175760), (5070, 175656), (5630, 158184), (6084, 146380), (6591, 135120), (6756, 131820), (6760, 131742), (7319, 121680), (7605, 117104), (8112, 109785), (8445, 105456), (8788, 101340), (9008, 98865), (9360, 95147), (10134, 87880), (10140, 87828), (10985, 81072), (11260, 79092), (12168, 73190), (13182, 67560), (13512, 65910), (13520, 65871), (14638, 60840), (15210, 58552), (16890, 52728), (17576, 50670), (19773, 45040), (20268, 43940), (20280, 43914), (21957, 40560), (21970, 40536), (22520, 39546), (24336, 36595), (25335, 35152), (26364, 33780), (27024, 32955), (29276, 30420)]