685047080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1259}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 1574899200

約数和(自身を除く): 889852120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 223, 244, 305, 446, 488, 610, 892, 1115, 1220, 1259, 1784, 2230, 2440, 2518, 4460, 5036, 6295, 8920, 10072, 12590, 13603, 25180, 27206, 50360, 54412, 68015, 76799, 108824, 136030, 153598, 272060, 280757, 307196, 383995, 544120, 561514, 614392, 767990, 1123028, 1403785, 1535980, 2246056, 2807570, 3071960, 5615140, 11230280, 17126177, 34252354, 68504708, 85630885, 137009416, 171261770, 342523540, 685047080]

約数ペア:

[(1, 685047080), (2, 342523540), (4, 171261770), (5, 137009416), (8, 85630885), (10, 68504708), (20, 34252354), (40, 17126177), (61, 11230280), (122, 5615140), (223, 3071960), (244, 2807570), (305, 2246056), (446, 1535980), (488, 1403785), (610, 1123028), (892, 767990), (1115, 614392), (1220, 561514), (1259, 544120), (1784, 383995), (2230, 307196), (2440, 280757), (2518, 272060), (4460, 153598), (5036, 136030), (6295, 108824), (8920, 76799), (10072, 68015), (12590, 54412), (13603, 50360), (25180, 27206)]