6639240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 20266560

約数和(自身を除く): 13627320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 907, 915, 1220, 1464, 1814, 1830, 2440, 2721, 3628, 3660, 4535, 5442, 7256, 7320, 9070, 10884, 13605, 18140, 21768, 27210, 36280, 54420, 55327, 108840, 110654, 165981, 221308, 276635, 331962, 442616, 553270, 663924, 829905, 1106540, 1327848, 1659810, 2213080, 3319620, 6639240]

約数ペア:

[(1, 6639240), (2, 3319620), (3, 2213080), (4, 1659810), (5, 1327848), (6, 1106540), (8, 829905), (10, 663924), (12, 553270), (15, 442616), (20, 331962), (24, 276635), (30, 221308), (40, 165981), (60, 110654), (61, 108840), (120, 55327), (122, 54420), (183, 36280), (244, 27210), (305, 21768), (366, 18140), (488, 13605), (610, 10884), (732, 9070), (907, 7320), (915, 7256), (1220, 5442), (1464, 4535), (1814, 3660), (1830, 3628), (2440, 2721)]