12638820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12391}}^1$

素因数の和:12420

約数の個数: 48

約数和(自身を含む): 37473408

約数和(自身を除く): 24834588

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, 12391, 24782, 37173, 49564, 61955, 74346, 123910, 148692, 185865, 210647, 247820, 371730, 421294, 631941, 743460, 842588, 1053235, 1263882, 2106470, 2527764, 3159705, 4212940, 6319410, 12638820]

約数ペア:

[(1, 12638820), (2, 6319410), (3, 4212940), (4, 3159705), (5, 2527764), (6, 2106470), (10, 1263882), (12, 1053235), (15, 842588), (17, 743460), (20, 631941), (30, 421294), (34, 371730), (51, 247820), (60, 210647), (68, 185865), (85, 148692), (102, 123910), (170, 74346), (204, 61955), (255, 49564), (340, 37173), (510, 24782), (1020, 12391)]