31630320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 107243136

約数和(自身を除く): 75612816

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, 197, 223, 240, 360, 394, 446, 591, 669, 720, 788, 892, 985, 1115, 1182, 1338, 1576, 1773, 1784, 1970, 2007, 2230, 2364, 2676, 2955, 3152, 3345, 3546, 3568, 3940, 4014, 4460, 4728, 5352, 5910, 6690, 7092, 7880, 8028, 8865, 8920, 9456, 10035, 10704, 11820, 13380, 14184, 15760, 16056, 17730, 17840, 20070, 23640, 26760, 28368, 32112, 35460, 40140, 43931, 47280, 53520, 70920, 80280, 87862, 131793, 141840, 160560, 175724, 219655, 263586, 351448, 395379, 439310, 527172, 658965, 702896, 790758, 878620, 1054344, 1317930, 1581516, 1757240, 1976895, 2108688, 2635860, 3163032, 3514480, 3953790, 5271720, 6326064, 7907580, 10543440, 15815160, 31630320]

約数ペア:

[(1, 31630320), (2, 15815160), (3, 10543440), (4, 7907580), (5, 6326064), (6, 5271720), (8, 3953790), (9, 3514480), (10, 3163032), (12, 2635860), (15, 2108688), (16, 1976895), (18, 1757240), (20, 1581516), (24, 1317930), (30, 1054344), (36, 878620), (40, 790758), (45, 702896), (48, 658965), (60, 527172), (72, 439310), (80, 395379), (90, 351448), (120, 263586), (144, 219655), (180, 175724), (197, 160560), (223, 141840), (240, 131793), (360, 87862), (394, 80280), (446, 70920), (591, 53520), (669, 47280), (720, 43931), (788, 40140), (892, 35460), (985, 32112), (1115, 28368), (1182, 26760), (1338, 23640), (1576, 20070), (1773, 17840), (1784, 17730), (1970, 16056), (2007, 15760), (2230, 14184), (2364, 13380), (2676, 11820), (2955, 10704), (3152, 10035), (3345, 9456), (3546, 8920), (3568, 8865), (3940, 8028), (4014, 7880), (4460, 7092), (4728, 6690), (5352, 5910)]