1187664560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{478897}}^1$

素因数の和:478941

約数の個数: 40

約数和(自身を含む): 2850400896

約数和(自身を除く): 1662736336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 478897, 957794, 1915588, 2394485, 3831176, 4788970, 7662352, 9577940, 14845807, 19155880, 29691614, 38311760, 59383228, 74229035, 118766456, 148458070, 237532912, 296916140, 593832280, 1187664560]

約数ペア:

[(1, 1187664560), (2, 593832280), (4, 296916140), (5, 237532912), (8, 148458070), (10, 118766456), (16, 74229035), (20, 59383228), (31, 38311760), (40, 29691614), (62, 19155880), (80, 14845807), (124, 9577940), (155, 7662352), (248, 4788970), (310, 3831176), (496, 2394485), (620, 1915588), (1240, 957794), (2480, 478897)]