64757040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6581}}^1$

素因数の和:6638

約数の個数: 80

約数和(自身を含む): 205674336

約数和(自身を除く): 140917296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 6581, 9840, 13162, 19743, 26324, 32905, 39486, 52648, 65810, 78972, 98715, 105296, 131620, 157944, 197430, 263240, 269821, 315888, 394860, 526480, 539642, 789720, 809463, 1079284, 1349105, 1579440, 1618926, 2158568, 2698210, 3237852, 4047315, 4317136, 5396420, 6475704, 8094630, 10792840, 12951408, 16189260, 21585680, 32378520, 64757040]

約数ペア:

[(1, 64757040), (2, 32378520), (3, 21585680), (4, 16189260), (5, 12951408), (6, 10792840), (8, 8094630), (10, 6475704), (12, 5396420), (15, 4317136), (16, 4047315), (20, 3237852), (24, 2698210), (30, 2158568), (40, 1618926), (41, 1579440), (48, 1349105), (60, 1079284), (80, 809463), (82, 789720), (120, 539642), (123, 526480), (164, 394860), (205, 315888), (240, 269821), (246, 263240), (328, 197430), (410, 157944), (492, 131620), (615, 105296), (656, 98715), (820, 78972), (984, 65810), (1230, 52648), (1640, 39486), (1968, 32905), (2460, 26324), (3280, 19743), (4920, 13162), (6581, 9840)]