64954320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1123}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 202373952

約数和(自身を除く): 137419632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 482, 723, 964, 1123, 1205, 1446, 1928, 2246, 2410, 2892, 3369, 3615, 3856, 4492, 4820, 5615, 5784, 6738, 7230, 8984, 9640, 11230, 11568, 13476, 14460, 16845, 17968, 19280, 22460, 26952, 28920, 33690, 44920, 53904, 57840, 67380, 89840, 134760, 269520, 270643, 541286, 811929, 1082572, 1353215, 1623858, 2165144, 2706430, 3247716, 4059645, 4330288, 5412860, 6495432, 8119290, 10825720, 12990864, 16238580, 21651440, 32477160, 64954320]

約数ペア:

[(1, 64954320), (2, 32477160), (3, 21651440), (4, 16238580), (5, 12990864), (6, 10825720), (8, 8119290), (10, 6495432), (12, 5412860), (15, 4330288), (16, 4059645), (20, 3247716), (24, 2706430), (30, 2165144), (40, 1623858), (48, 1353215), (60, 1082572), (80, 811929), (120, 541286), (240, 270643), (241, 269520), (482, 134760), (723, 89840), (964, 67380), (1123, 57840), (1205, 53904), (1446, 44920), (1928, 33690), (2246, 28920), (2410, 26952), (2892, 22460), (3369, 19280), (3615, 17968), (3856, 16845), (4492, 14460), (4820, 13476), (5615, 11568), (5784, 11230), (6738, 9640), (7230, 8984)]