54687640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11524

約数の個数: 64

約数和(自身を含む): 148910400

約数和(自身を除く): 94222760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 11489, 22978, 45956, 57445, 80423, 91912, 114890, 160846, 195313, 229780, 321692, 390626, 402115, 459560, 643384, 781252, 804230, 976565, 1367191, 1562504, 1608460, 1953130, 2734382, 3216920, 3906260, 5468764, 6835955, 7812520, 10937528, 13671910, 27343820, 54687640]

約数ペア:

[(1, 54687640), (2, 27343820), (4, 13671910), (5, 10937528), (7, 7812520), (8, 6835955), (10, 5468764), (14, 3906260), (17, 3216920), (20, 2734382), (28, 1953130), (34, 1608460), (35, 1562504), (40, 1367191), (56, 976565), (68, 804230), (70, 781252), (85, 643384), (119, 459560), (136, 402115), (140, 390626), (170, 321692), (238, 229780), (280, 195313), (340, 160846), (476, 114890), (595, 91912), (680, 80423), (952, 57445), (1190, 45956), (2380, 22978), (4760, 11489)]