68505840

素因数分解:

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

素因数の和:608

約数の個数: 180

約数和(自身を含む): 249566616

約数和(自身を除く): 181060776

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, 2252, 2340, 2535, 2704, 2815, 3042, 3120, 3378, 3380, 4056, 4504, 4680, 5067, 5070, 5630, 6084, 6756, 6760, 7319, 7605, 8112, 8445, 9008, 9360, 10134, 10140, 11260, 12168, 13512, 13520, 14638, 15210, 16890, 20268, 20280, 21957, 22520, 24336, 25335, 27024, 29276, 30420, 33780, 36595, 40536, 40560, 43914, 45040, 50670, 58552, 60840, 65871, 67560, 73190, 81072, 87828, 95147, 101340, 109785, 117104, 121680, 131742, 135120, 146380, 175656, 190294, 202680, 219570, 263484, 285441, 292760, 329355, 351312, 380588, 405360, 439140, 475735, 526968, 570882, 585520, 658710, 761176, 856323, 878280, 951470, 1053936, 1141764, 1317420, 1427205, 1522352, 1712646, 1756560, 1902940, 2283528, 2634840, 2854410, 3425292, 3805880, 4281615, 4567056, 5269680, 5708820, 6850584, 7611760, 8563230, 11417640, 13701168, 17126460, 22835280, 34252920, 68505840]

約数ペア:

[(1, 68505840), (2, 34252920), (3, 22835280), (4, 17126460), (5, 13701168), (6, 11417640), (8, 8563230), (9, 7611760), (10, 6850584), (12, 5708820), (13, 5269680), (15, 4567056), (16, 4281615), (18, 3805880), (20, 3425292), (24, 2854410), (26, 2634840), (30, 2283528), (36, 1902940), (39, 1756560), (40, 1712646), (45, 1522352), (48, 1427205), (52, 1317420), (60, 1141764), (65, 1053936), (72, 951470), (78, 878280), (80, 856323), (90, 761176), (104, 658710), (117, 585520), (120, 570882), (130, 526968), (144, 475735), (156, 439140), (169, 405360), (180, 380588), (195, 351312), (208, 329355), (234, 292760), (240, 285441), (260, 263484), (312, 219570), (338, 202680), (360, 190294), (390, 175656), (468, 146380), (507, 135120), (520, 131742), (563, 121680), (585, 117104), (624, 109785), (676, 101340), (720, 95147), (780, 87828), (845, 81072), (936, 73190), (1014, 67560), (1040, 65871), (1126, 60840), (1170, 58552), (1352, 50670), (1521, 45040), (1560, 43914), (1689, 40560), (1690, 40536), (1872, 36595), (2028, 33780), (2252, 30420), (2340, 29276), (2535, 27024), (2704, 25335), (2815, 24336), (3042, 22520), (3120, 21957), (3378, 20280), (3380, 20268), (4056, 16890), (4504, 15210), (4680, 14638), (5067, 13520), (5070, 13512), (5630, 12168), (6084, 11260), (6756, 10140), (6760, 10134), (7319, 9360), (7605, 9008), (8112, 8445)]