690485640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{442619}}^1$

素因数の和:442646

約数の個数: 64

約数和(自身を含む): 2230804800

約数和(自身を除く): 1540319160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 442619, 885238, 1327857, 1770476, 2213095, 2655714, 3540952, 4426190, 5311428, 5754047, 6639285, 8852380, 10622856, 11508094, 13278570, 17262141, 17704760, 23016188, 26557140, 28770235, 34524282, 46032376, 53114280, 57540470, 69048564, 86310705, 115080940, 138097128, 172621410, 230161880, 345242820, 690485640]

約数ペア:

[(1, 690485640), (2, 345242820), (3, 230161880), (4, 172621410), (5, 138097128), (6, 115080940), (8, 86310705), (10, 69048564), (12, 57540470), (13, 53114280), (15, 46032376), (20, 34524282), (24, 28770235), (26, 26557140), (30, 23016188), (39, 17704760), (40, 17262141), (52, 13278570), (60, 11508094), (65, 10622856), (78, 8852380), (104, 6639285), (120, 5754047), (130, 5311428), (156, 4426190), (195, 3540952), (260, 2655714), (312, 2213095), (390, 1770476), (520, 1327857), (780, 885238), (1560, 442619)]