64518440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7433}}^1$

素因数の和:7482

約数の個数: 64

約数和(自身を含む): 171279360

約数和(自身を除く): 106760920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7433, 8680, 14866, 29732, 37165, 52031, 59464, 74330, 104062, 148660, 208124, 230423, 260155, 297320, 416248, 460846, 520310, 921692, 1040620, 1152115, 1612961, 1843384, 2081240, 2304230, 3225922, 4608460, 6451844, 8064805, 9216920, 12903688, 16129610, 32259220, 64518440]

約数ペア:

[(1, 64518440), (2, 32259220), (4, 16129610), (5, 12903688), (7, 9216920), (8, 8064805), (10, 6451844), (14, 4608460), (20, 3225922), (28, 2304230), (31, 2081240), (35, 1843384), (40, 1612961), (56, 1152115), (62, 1040620), (70, 921692), (124, 520310), (140, 460846), (155, 416248), (217, 297320), (248, 260155), (280, 230423), (310, 208124), (434, 148660), (620, 104062), (868, 74330), (1085, 59464), (1240, 52031), (1736, 37165), (2170, 29732), (4340, 14866), (7433, 8680)]