75321560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 180558720

約数和(自身を除く): 105237160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 257, 340, 431, 514, 680, 862, 1028, 1285, 1724, 2056, 2155, 2570, 3448, 4310, 4369, 5140, 7327, 8620, 8738, 10280, 14654, 17240, 17476, 21845, 29308, 34952, 36635, 43690, 58616, 73270, 87380, 110767, 146540, 174760, 221534, 293080, 443068, 553835, 886136, 1107670, 1883039, 2215340, 3766078, 4430680, 7532156, 9415195, 15064312, 18830390, 37660780, 75321560]

約数ペア:

[(1, 75321560), (2, 37660780), (4, 18830390), (5, 15064312), (8, 9415195), (10, 7532156), (17, 4430680), (20, 3766078), (34, 2215340), (40, 1883039), (68, 1107670), (85, 886136), (136, 553835), (170, 443068), (257, 293080), (340, 221534), (431, 174760), (514, 146540), (680, 110767), (862, 87380), (1028, 73270), (1285, 58616), (1724, 43690), (2056, 36635), (2155, 34952), (2570, 29308), (3448, 21845), (4310, 17476), (4369, 17240), (5140, 14654), (7327, 10280), (8620, 8738)]