80240400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:774

約数の個数: 180

約数和(自身を含む): 287838720

約数和(自身を除く): 207598320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 186, 200, 225, 240, 248, 279, 300, 310, 360, 372, 400, 450, 465, 496, 558, 600, 620, 719, 720, 744, 775, 900, 930, 1116, 1200, 1240, 1395, 1438, 1488, 1550, 1800, 1860, 2157, 2232, 2325, 2480, 2790, 2876, 3100, 3595, 3600, 3720, 4314, 4464, 4650, 5580, 5752, 6200, 6471, 6975, 7190, 7440, 8628, 9300, 10785, 11160, 11504, 12400, 12942, 13950, 14380, 17256, 17975, 18600, 21570, 22289, 22320, 25884, 27900, 28760, 32355, 34512, 35950, 37200, 43140, 44578, 51768, 53925, 55800, 57520, 64710, 66867, 71900, 86280, 89156, 103536, 107850, 111445, 111600, 129420, 133734, 143800, 161775, 172560, 178312, 200601, 215700, 222890, 258840, 267468, 287600, 323550, 334335, 356624, 401202, 431400, 445780, 517680, 534936, 557225, 647100, 668670, 802404, 862800, 891560, 1003005, 1069872, 1114450, 1294200, 1337340, 1604808, 1671675, 1783120, 2006010, 2228900, 2588400, 2674680, 3209616, 3343350, 4012020, 4457800, 5015025, 5349360, 6686700, 8024040, 8915600, 10030050, 13373400, 16048080, 20060100, 26746800, 40120200, 80240400]

約数ペア:

[(1, 80240400), (2, 40120200), (3, 26746800), (4, 20060100), (5, 16048080), (6, 13373400), (8, 10030050), (9, 8915600), (10, 8024040), (12, 6686700), (15, 5349360), (16, 5015025), (18, 4457800), (20, 4012020), (24, 3343350), (25, 3209616), (30, 2674680), (31, 2588400), (36, 2228900), (40, 2006010), (45, 1783120), (48, 1671675), (50, 1604808), (60, 1337340), (62, 1294200), (72, 1114450), (75, 1069872), (80, 1003005), (90, 891560), (93, 862800), (100, 802404), (120, 668670), (124, 647100), (144, 557225), (150, 534936), (155, 517680), (180, 445780), (186, 431400), (200, 401202), (225, 356624), (240, 334335), (248, 323550), (279, 287600), (300, 267468), (310, 258840), (360, 222890), (372, 215700), (400, 200601), (450, 178312), (465, 172560), (496, 161775), (558, 143800), (600, 133734), (620, 129420), (719, 111600), (720, 111445), (744, 107850), (775, 103536), (900, 89156), (930, 86280), (1116, 71900), (1200, 66867), (1240, 64710), (1395, 57520), (1438, 55800), (1488, 53925), (1550, 51768), (1800, 44578), (1860, 43140), (2157, 37200), (2232, 35950), (2325, 34512), (2480, 32355), (2790, 28760), (2876, 27900), (3100, 25884), (3595, 22320), (3600, 22289), (3720, 21570), (4314, 18600), (4464, 17975), (4650, 17256), (5580, 14380), (5752, 13950), (6200, 12942), (6471, 12400), (6975, 11504), (7190, 11160), (7440, 10785), (8628, 9300)]