15705438520

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1319}}^1\times {\mathrm{1663}}^1$

素因数の和:3172

約数の個数: 64

約数和(自身を含む): 35582976000

約数和(自身を除く): 19877537480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1319, 1432, 1663, 1790, 2638, 3326, 3580, 5276, 6595, 6652, 7160, 8315, 10552, 13190, 13304, 16630, 26380, 33260, 52760, 66520, 236101, 297677, 472202, 595354, 944404, 1180505, 1190708, 1488385, 1888808, 2193497, 2361010, 2381416, 2976770, 4386994, 4722020, 5953540, 8773988, 9444040, 10967485, 11907080, 17547976, 21934970, 43869940, 87739880, 392635963, 785271926, 1570543852, 1963179815, 3141087704, 3926359630, 7852719260, 15705438520]

約数ペア:

[(1, 15705438520), (2, 7852719260), (4, 3926359630), (5, 3141087704), (8, 1963179815), (10, 1570543852), (20, 785271926), (40, 392635963), (179, 87739880), (358, 43869940), (716, 21934970), (895, 17547976), (1319, 11907080), (1432, 10967485), (1663, 9444040), (1790, 8773988), (2638, 5953540), (3326, 4722020), (3580, 4386994), (5276, 2976770), (6595, 2381416), (6652, 2361010), (7160, 2193497), (8315, 1888808), (10552, 1488385), (13190, 1190708), (13304, 1180505), (16630, 944404), (26380, 595354), (33260, 472202), (52760, 297677), (66520, 236101)]