31821840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 107891160

約数和(自身を除く): 76069320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 193, 229, 240, 360, 386, 458, 579, 687, 720, 772, 916, 965, 1145, 1158, 1374, 1544, 1737, 1832, 1930, 2061, 2290, 2316, 2748, 2895, 3088, 3435, 3474, 3664, 3860, 4122, 4580, 4632, 5496, 5790, 6870, 6948, 7720, 8244, 8685, 9160, 9264, 10305, 10992, 11580, 13740, 13896, 15440, 16488, 17370, 18320, 20610, 23160, 27480, 27792, 32976, 34740, 41220, 44197, 46320, 54960, 69480, 82440, 88394, 132591, 138960, 164880, 176788, 220985, 265182, 353576, 397773, 441970, 530364, 662955, 707152, 795546, 883940, 1060728, 1325910, 1591092, 1767880, 1988865, 2121456, 2651820, 3182184, 3535760, 3977730, 5303640, 6364368, 7955460, 10607280, 15910920, 31821840]

約数ペア:

[(1, 31821840), (2, 15910920), (3, 10607280), (4, 7955460), (5, 6364368), (6, 5303640), (8, 3977730), (9, 3535760), (10, 3182184), (12, 2651820), (15, 2121456), (16, 1988865), (18, 1767880), (20, 1591092), (24, 1325910), (30, 1060728), (36, 883940), (40, 795546), (45, 707152), (48, 662955), (60, 530364), (72, 441970), (80, 397773), (90, 353576), (120, 265182), (144, 220985), (180, 176788), (193, 164880), (229, 138960), (240, 132591), (360, 88394), (386, 82440), (458, 69480), (579, 54960), (687, 46320), (720, 44197), (772, 41220), (916, 34740), (965, 32976), (1145, 27792), (1158, 27480), (1374, 23160), (1544, 20610), (1737, 18320), (1832, 17370), (1930, 16488), (2061, 15440), (2290, 13896), (2316, 13740), (2748, 11580), (2895, 10992), (3088, 10305), (3435, 9264), (3474, 9160), (3664, 8685), (3860, 8244), (4122, 7720), (4580, 6948), (4632, 6870), (5496, 5790)]