39640560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 123504000

約数和(自身を除く): 83863440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 499, 662, 993, 998, 1324, 1497, 1655, 1986, 1996, 2495, 2648, 2994, 3310, 3972, 3992, 4965, 4990, 5296, 5988, 6620, 7485, 7944, 7984, 9930, 9980, 11976, 13240, 14970, 15888, 19860, 19960, 23952, 26480, 29940, 39720, 39920, 59880, 79440, 119760, 165169, 330338, 495507, 660676, 825845, 991014, 1321352, 1651690, 1982028, 2477535, 2642704, 3303380, 3964056, 4955070, 6606760, 7928112, 9910140, 13213520, 19820280, 39640560]

約数ペア:

[(1, 39640560), (2, 19820280), (3, 13213520), (4, 9910140), (5, 7928112), (6, 6606760), (8, 4955070), (10, 3964056), (12, 3303380), (15, 2642704), (16, 2477535), (20, 1982028), (24, 1651690), (30, 1321352), (40, 991014), (48, 825845), (60, 660676), (80, 495507), (120, 330338), (240, 165169), (331, 119760), (499, 79440), (662, 59880), (993, 39920), (998, 39720), (1324, 29940), (1497, 26480), (1655, 23952), (1986, 19960), (1996, 19860), (2495, 15888), (2648, 14970), (2994, 13240), (3310, 11976), (3972, 9980), (3992, 9930), (4965, 7984), (4990, 7944), (5296, 7485), (5988, 6620)]