2158156760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{22031}}^1$

素因数の和:22152

約数の個数: 64

約数和(自身を含む): 5076172800

約数和(自身を除く): 2918016040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 3160, 4898, 9796, 12245, 19592, 22031, 24490, 44062, 48980, 88124, 97960, 110155, 176248, 220310, 440620, 682961, 881240, 1365922, 1740449, 2731844, 3414805, 3480898, 5463688, 6829610, 6961796, 8702245, 13659220, 13923592, 17404490, 27318440, 34808980, 53953919, 69617960, 107907838, 215815676, 269769595, 431631352, 539539190, 1079078380, 2158156760]

約数ペア:

[(1, 2158156760), (2, 1079078380), (4, 539539190), (5, 431631352), (8, 269769595), (10, 215815676), (20, 107907838), (31, 69617960), (40, 53953919), (62, 34808980), (79, 27318440), (124, 17404490), (155, 13923592), (158, 13659220), (248, 8702245), (310, 6961796), (316, 6829610), (395, 5463688), (620, 3480898), (632, 3414805), (790, 2731844), (1240, 1740449), (1580, 1365922), (2449, 881240), (3160, 682961), (4898, 440620), (9796, 220310), (12245, 176248), (19592, 110155), (22031, 97960), (24490, 88124), (44062, 48980)]