788408520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{13381}}^1$

素因数の和:13886

約数の個数: 64

約数和(自身を含む): 2370219840

約数和(自身を除く): 1581811320

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, 7365, 9820, 11784, 13381, 14730, 19640, 26762, 29460, 40143, 53524, 58920, 66905, 80286, 107048, 133810, 160572, 200715, 267620, 321144, 401430, 535240, 802860, 1605720, 6570071, 13140142, 19710213, 26280284, 32850355, 39420426, 52560568, 65700710, 78840852, 98551065, 131401420, 157681704, 197102130, 262802840, 394204260, 788408520]

約数ペア:

[(1, 788408520), (2, 394204260), (3, 262802840), (4, 197102130), (5, 157681704), (6, 131401420), (8, 98551065), (10, 78840852), (12, 65700710), (15, 52560568), (20, 39420426), (24, 32850355), (30, 26280284), (40, 19710213), (60, 13140142), (120, 6570071), (491, 1605720), (982, 802860), (1473, 535240), (1964, 401430), (2455, 321144), (2946, 267620), (3928, 200715), (4910, 160572), (5892, 133810), (7365, 107048), (9820, 80286), (11784, 66905), (13381, 58920), (14730, 53524), (19640, 40143), (26762, 29460)]