637907580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1260

約数の個数: 144

約数和(自身を含む): 2008886880

約数和(自身を除く): 1370979300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 73, 86, 90, 129, 146, 172, 180, 215, 219, 258, 292, 365, 387, 430, 438, 516, 645, 657, 730, 774, 860, 876, 1095, 1129, 1290, 1314, 1460, 1548, 1935, 2190, 2258, 2580, 2628, 3139, 3285, 3387, 3870, 4380, 4516, 5645, 6278, 6570, 6774, 7740, 9417, 10161, 11290, 12556, 13140, 13548, 15695, 16935, 18834, 20322, 22580, 28251, 31390, 33870, 37668, 40644, 47085, 48547, 50805, 56502, 62780, 67740, 82417, 94170, 97094, 101610, 113004, 141255, 145641, 164834, 188340, 194188, 203220, 242735, 247251, 282510, 291282, 329668, 412085, 436923, 485470, 494502, 565020, 582564, 728205, 741753, 824170, 873846, 970940, 989004, 1236255, 1456410, 1483506, 1648340, 1747692, 2184615, 2472510, 2912820, 2967012, 3543931, 3708765, 4369230, 4945020, 7087862, 7417530, 8738460, 10631793, 14175724, 14835060, 17719655, 21263586, 31895379, 35439310, 42527172, 53158965, 63790758, 70878620, 106317930, 127581516, 159476895, 212635860, 318953790, 637907580]

約数ペア:

[(1, 637907580), (2, 318953790), (3, 212635860), (4, 159476895), (5, 127581516), (6, 106317930), (9, 70878620), (10, 63790758), (12, 53158965), (15, 42527172), (18, 35439310), (20, 31895379), (30, 21263586), (36, 17719655), (43, 14835060), (45, 14175724), (60, 10631793), (73, 8738460), (86, 7417530), (90, 7087862), (129, 4945020), (146, 4369230), (172, 3708765), (180, 3543931), (215, 2967012), (219, 2912820), (258, 2472510), (292, 2184615), (365, 1747692), (387, 1648340), (430, 1483506), (438, 1456410), (516, 1236255), (645, 989004), (657, 970940), (730, 873846), (774, 824170), (860, 741753), (876, 728205), (1095, 582564), (1129, 565020), (1290, 494502), (1314, 485470), (1460, 436923), (1548, 412085), (1935, 329668), (2190, 291282), (2258, 282510), (2580, 247251), (2628, 242735), (3139, 203220), (3285, 194188), (3387, 188340), (3870, 164834), (4380, 145641), (4516, 141255), (5645, 113004), (6278, 101610), (6570, 97094), (6774, 94170), (7740, 82417), (9417, 67740), (10161, 62780), (11290, 56502), (12556, 50805), (13140, 48547), (13548, 47085), (15695, 40644), (16935, 37668), (18834, 33870), (20322, 31390), (22580, 28251)]