31420272

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 89522048

約数和(自身を除く): 58101776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 1032, 1118, 1171, 1677, 2064, 2236, 2342, 3354, 3513, 4472, 4684, 6708, 7026, 8944, 9368, 13416, 14052, 15223, 18736, 26832, 28104, 30446, 45669, 50353, 56208, 60892, 91338, 100706, 121784, 151059, 182676, 201412, 243568, 302118, 365352, 402824, 604236, 654589, 730704, 805648, 1208472, 1309178, 1963767, 2416944, 2618356, 3927534, 5236712, 7855068, 10473424, 15710136, 31420272]

約数ペア:

[(1, 31420272), (2, 15710136), (3, 10473424), (4, 7855068), (6, 5236712), (8, 3927534), (12, 2618356), (13, 2416944), (16, 1963767), (24, 1309178), (26, 1208472), (39, 805648), (43, 730704), (48, 654589), (52, 604236), (78, 402824), (86, 365352), (104, 302118), (129, 243568), (156, 201412), (172, 182676), (208, 151059), (258, 121784), (312, 100706), (344, 91338), (516, 60892), (559, 56208), (624, 50353), (688, 45669), (1032, 30446), (1118, 28104), (1171, 26832), (1677, 18736), (2064, 15223), (2236, 14052), (2342, 13416), (3354, 9368), (3513, 8944), (4472, 7026), (4684, 6708)]