100988880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 314069184

約数和(自身を除く): 213080304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 857, 982, 1473, 1714, 1964, 2455, 2571, 2946, 3428, 3928, 4285, 4910, 5142, 5892, 6856, 7365, 7856, 8570, 9820, 10284, 11784, 12855, 13712, 14730, 17140, 19640, 20568, 23568, 25710, 29460, 34280, 39280, 41136, 51420, 58920, 68560, 102840, 117840, 205680, 420787, 841574, 1262361, 1683148, 2103935, 2524722, 3366296, 4207870, 5049444, 6311805, 6732592, 8415740, 10098888, 12623610, 16831480, 20197776, 25247220, 33662960, 50494440, 100988880]

約数ペア:

[(1, 100988880), (2, 50494440), (3, 33662960), (4, 25247220), (5, 20197776), (6, 16831480), (8, 12623610), (10, 10098888), (12, 8415740), (15, 6732592), (16, 6311805), (20, 5049444), (24, 4207870), (30, 3366296), (40, 2524722), (48, 2103935), (60, 1683148), (80, 1262361), (120, 841574), (240, 420787), (491, 205680), (857, 117840), (982, 102840), (1473, 68560), (1714, 58920), (1964, 51420), (2455, 41136), (2571, 39280), (2946, 34280), (3428, 29460), (3928, 25710), (4285, 23568), (4910, 20568), (5142, 19640), (5892, 17140), (6856, 14730), (7365, 13712), (7856, 12855), (8570, 11784), (9820, 10284)]