31545880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 78459840

約数和(自身を除く): 46913960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 2017, 3128, 3910, 4034, 7820, 8068, 10085, 15640, 16136, 20170, 34289, 40340, 46391, 68578, 80680, 92782, 137156, 171445, 185564, 231955, 274312, 342890, 371128, 463910, 685780, 788647, 927820, 1371560, 1577294, 1855640, 3154588, 3943235, 6309176, 7886470, 15772940, 31545880]

約数ペア:

[(1, 31545880), (2, 15772940), (4, 7886470), (5, 6309176), (8, 3943235), (10, 3154588), (17, 1855640), (20, 1577294), (23, 1371560), (34, 927820), (40, 788647), (46, 685780), (68, 463910), (85, 371128), (92, 342890), (115, 274312), (136, 231955), (170, 185564), (184, 171445), (230, 137156), (340, 92782), (391, 80680), (460, 68578), (680, 46391), (782, 40340), (920, 34289), (1564, 20170), (1955, 16136), (2017, 15640), (3128, 10085), (3910, 8068), (4034, 7820)]