1286520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 3939840

約数和(自身を除く): 2653320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 151, 213, 284, 302, 355, 426, 453, 568, 604, 710, 755, 852, 906, 1065, 1208, 1420, 1510, 1704, 1812, 2130, 2265, 2840, 3020, 3624, 4260, 4530, 6040, 8520, 9060, 10721, 18120, 21442, 32163, 42884, 53605, 64326, 85768, 107210, 128652, 160815, 214420, 257304, 321630, 428840, 643260, 1286520]

約数ペア:

[(1, 1286520), (2, 643260), (3, 428840), (4, 321630), (5, 257304), (6, 214420), (8, 160815), (10, 128652), (12, 107210), (15, 85768), (20, 64326), (24, 53605), (30, 42884), (40, 32163), (60, 21442), (71, 18120), (120, 10721), (142, 9060), (151, 8520), (213, 6040), (284, 4530), (302, 4260), (355, 3624), (426, 3020), (453, 2840), (568, 2265), (604, 2130), (710, 1812), (755, 1704), (852, 1510), (906, 1420), (1065, 1208)]