15142440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 45696960

約数和(自身を除く): 30554520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 491, 514, 771, 982, 1028, 1285, 1473, 1542, 1964, 2056, 2455, 2570, 2946, 3084, 3855, 3928, 4910, 5140, 5892, 6168, 7365, 7710, 9820, 10280, 11784, 14730, 15420, 19640, 29460, 30840, 58920, 126187, 252374, 378561, 504748, 630935, 757122, 1009496, 1261870, 1514244, 1892805, 2523740, 3028488, 3785610, 5047480, 7571220, 15142440]

約数ペア:

[(1, 15142440), (2, 7571220), (3, 5047480), (4, 3785610), (5, 3028488), (6, 2523740), (8, 1892805), (10, 1514244), (12, 1261870), (15, 1009496), (20, 757122), (24, 630935), (30, 504748), (40, 378561), (60, 252374), (120, 126187), (257, 58920), (491, 30840), (514, 29460), (771, 19640), (982, 15420), (1028, 14730), (1285, 11784), (1473, 10280), (1542, 9820), (1964, 7710), (2056, 7365), (2455, 6168), (2570, 5892), (2946, 5140), (3084, 4910), (3855, 3928)]