165638820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{162391}}^1$

素因数の和:162420

約数の個数: 48

約数和(自身を含む): 491073408

約数和(自身を除く): 325434588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 162391, 324782, 487173, 649564, 811955, 974346, 1623910, 1948692, 2435865, 2760647, 3247820, 4871730, 5521294, 8281941, 9743460, 11042588, 13803235, 16563882, 27606470, 33127764, 41409705, 55212940, 82819410, 165638820]

約数ペア:

[(1, 165638820), (2, 82819410), (3, 55212940), (4, 41409705), (5, 33127764), (6, 27606470), (10, 16563882), (12, 13803235), (15, 11042588), (17, 9743460), (20, 8281941), (30, 5521294), (34, 4871730), (51, 3247820), (60, 2760647), (68, 2435865), (85, 1948692), (102, 1623910), (170, 974346), (204, 811955), (255, 649564), (340, 487173), (510, 324782), (1020, 162391)]