15980400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 180

約数和(自身を含む): 58167408

約数和(自身を除く): 42187008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 138, 144, 150, 180, 184, 193, 200, 207, 225, 230, 240, 276, 300, 345, 360, 368, 386, 400, 414, 450, 460, 552, 575, 579, 600, 690, 720, 772, 828, 900, 920, 965, 1035, 1104, 1150, 1158, 1200, 1380, 1544, 1656, 1725, 1737, 1800, 1840, 1930, 2070, 2300, 2316, 2760, 2895, 3088, 3312, 3450, 3474, 3600, 3860, 4140, 4439, 4600, 4632, 4825, 5175, 5520, 5790, 6900, 6948, 7720, 8280, 8685, 8878, 9200, 9264, 9650, 10350, 11580, 13317, 13800, 13896, 14475, 15440, 16560, 17370, 17756, 19300, 20700, 22195, 23160, 26634, 27600, 27792, 28950, 34740, 35512, 38600, 39951, 41400, 43425, 44390, 46320, 53268, 57900, 66585, 69480, 71024, 77200, 79902, 82800, 86850, 88780, 106536, 110975, 115800, 133170, 138960, 159804, 173700, 177560, 199755, 213072, 221950, 231600, 266340, 319608, 332925, 347400, 355120, 399510, 443900, 532680, 639216, 665850, 694800, 799020, 887800, 998775, 1065360, 1331700, 1598040, 1775600, 1997550, 2663400, 3196080, 3995100, 5326800, 7990200, 15980400]

約数ペア:

[(1, 15980400), (2, 7990200), (3, 5326800), (4, 3995100), (5, 3196080), (6, 2663400), (8, 1997550), (9, 1775600), (10, 1598040), (12, 1331700), (15, 1065360), (16, 998775), (18, 887800), (20, 799020), (23, 694800), (24, 665850), (25, 639216), (30, 532680), (36, 443900), (40, 399510), (45, 355120), (46, 347400), (48, 332925), (50, 319608), (60, 266340), (69, 231600), (72, 221950), (75, 213072), (80, 199755), (90, 177560), (92, 173700), (100, 159804), (115, 138960), (120, 133170), (138, 115800), (144, 110975), (150, 106536), (180, 88780), (184, 86850), (193, 82800), (200, 79902), (207, 77200), (225, 71024), (230, 69480), (240, 66585), (276, 57900), (300, 53268), (345, 46320), (360, 44390), (368, 43425), (386, 41400), (400, 39951), (414, 38600), (450, 35512), (460, 34740), (552, 28950), (575, 27792), (579, 27600), (600, 26634), (690, 23160), (720, 22195), (772, 20700), (828, 19300), (900, 17756), (920, 17370), (965, 16560), (1035, 15440), (1104, 14475), (1150, 13896), (1158, 13800), (1200, 13317), (1380, 11580), (1544, 10350), (1656, 9650), (1725, 9264), (1737, 9200), (1800, 8878), (1840, 8685), (1930, 8280), (2070, 7720), (2300, 6948), (2316, 6900), (2760, 5790), (2895, 5520), (3088, 5175), (3312, 4825), (3450, 4632), (3474, 4600), (3600, 4439), (3860, 4140)]