40647120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 126688320

約数和(自身を除く): 86041200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 659, 771, 1028, 1285, 1318, 1542, 1977, 2056, 2570, 2636, 3084, 3295, 3855, 3954, 4112, 5140, 5272, 6168, 6590, 7710, 7908, 9885, 10280, 10544, 12336, 13180, 15420, 15816, 19770, 20560, 26360, 30840, 31632, 39540, 52720, 61680, 79080, 158160, 169363, 338726, 508089, 677452, 846815, 1016178, 1354904, 1693630, 2032356, 2540445, 2709808, 3387260, 4064712, 5080890, 6774520, 8129424, 10161780, 13549040, 20323560, 40647120]

約数ペア:

[(1, 40647120), (2, 20323560), (3, 13549040), (4, 10161780), (5, 8129424), (6, 6774520), (8, 5080890), (10, 4064712), (12, 3387260), (15, 2709808), (16, 2540445), (20, 2032356), (24, 1693630), (30, 1354904), (40, 1016178), (48, 846815), (60, 677452), (80, 508089), (120, 338726), (240, 169363), (257, 158160), (514, 79080), (659, 61680), (771, 52720), (1028, 39540), (1285, 31632), (1318, 30840), (1542, 26360), (1977, 20560), (2056, 19770), (2570, 15816), (2636, 15420), (3084, 13180), (3295, 12336), (3855, 10544), (3954, 10280), (4112, 9885), (5140, 7908), (5272, 7710), (6168, 6590)]