31054760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 76870080

約数和(自身を除く): 45815320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 433, 440, 652, 815, 866, 1304, 1630, 1732, 1793, 2165, 3260, 3464, 3586, 4330, 4763, 6520, 7172, 8660, 8965, 9526, 14344, 17320, 17930, 19052, 23815, 35860, 38104, 47630, 70579, 71720, 95260, 141158, 190520, 282316, 352895, 564632, 705790, 776369, 1411580, 1552738, 2823160, 3105476, 3881845, 6210952, 7763690, 15527380, 31054760]

約数ペア:

[(1, 31054760), (2, 15527380), (4, 7763690), (5, 6210952), (8, 3881845), (10, 3105476), (11, 2823160), (20, 1552738), (22, 1411580), (40, 776369), (44, 705790), (55, 564632), (88, 352895), (110, 282316), (163, 190520), (220, 141158), (326, 95260), (433, 71720), (440, 70579), (652, 47630), (815, 38104), (866, 35860), (1304, 23815), (1630, 19052), (1732, 17930), (1793, 17320), (2165, 14344), (3260, 9526), (3464, 8965), (3586, 8660), (4330, 7172), (4763, 6520)]