87065790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21857

約数の個数: 64

約数和(自身を含む): 251389440

約数和(自身を除く): 164323650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 21821, 43642, 65463, 109105, 130926, 152747, 218210, 305494, 327315, 414599, 458241, 654630, 763735, 829198, 916482, 1243797, 1527470, 2072995, 2291205, 2487594, 2902193, 4145990, 4582410, 5804386, 6218985, 8706579, 12437970, 14510965, 17413158, 29021930, 43532895, 87065790]

約数ペア:

[(1, 87065790), (2, 43532895), (3, 29021930), (5, 17413158), (6, 14510965), (7, 12437970), (10, 8706579), (14, 6218985), (15, 5804386), (19, 4582410), (21, 4145990), (30, 2902193), (35, 2487594), (38, 2291205), (42, 2072995), (57, 1527470), (70, 1243797), (95, 916482), (105, 829198), (114, 763735), (133, 654630), (190, 458241), (210, 414599), (266, 327315), (285, 305494), (399, 218210), (570, 152747), (665, 130926), (798, 109105), (1330, 65463), (1995, 43642), (3990, 21821)]