400243560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6793}}^1$

素因数の和:7298

約数の個数: 64

約数和(自身を含む): 1203353280

約数和(自身を除く): 803109720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2455, 2946, 3928, 4910, 5892, 6793, 7365, 9820, 11784, 13586, 14730, 19640, 20379, 27172, 29460, 33965, 40758, 54344, 58920, 67930, 81516, 101895, 135860, 163032, 203790, 271720, 407580, 815160, 3335363, 6670726, 10006089, 13341452, 16676815, 20012178, 26682904, 33353630, 40024356, 50030445, 66707260, 80048712, 100060890, 133414520, 200121780, 400243560]

約数ペア:

[(1, 400243560), (2, 200121780), (3, 133414520), (4, 100060890), (5, 80048712), (6, 66707260), (8, 50030445), (10, 40024356), (12, 33353630), (15, 26682904), (20, 20012178), (24, 16676815), (30, 13341452), (40, 10006089), (60, 6670726), (120, 3335363), (491, 815160), (982, 407580), (1473, 271720), (1964, 203790), (2455, 163032), (2946, 135860), (3928, 101895), (4910, 81516), (5892, 67930), (6793, 58920), (7365, 54344), (9820, 40758), (11784, 33965), (13586, 29460), (14730, 27172), (19640, 20379)]