71873560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 105419240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 431, 440, 758, 862, 1516, 1724, 1895, 2155, 3032, 3448, 3790, 4169, 4310, 4741, 7580, 8338, 8620, 9482, 15160, 16676, 17240, 18964, 20845, 23705, 33352, 37928, 41690, 47410, 83380, 94820, 163349, 166760, 189640, 326698, 653396, 816745, 1306792, 1633490, 1796839, 3266980, 3593678, 6533960, 7187356, 8984195, 14374712, 17968390, 35936780, 71873560]

約数ペア:

[(1, 71873560), (2, 35936780), (4, 17968390), (5, 14374712), (8, 8984195), (10, 7187356), (11, 6533960), (20, 3593678), (22, 3266980), (40, 1796839), (44, 1633490), (55, 1306792), (88, 816745), (110, 653396), (220, 326698), (379, 189640), (431, 166760), (440, 163349), (758, 94820), (862, 83380), (1516, 47410), (1724, 41690), (1895, 37928), (2155, 33352), (3032, 23705), (3448, 20845), (3790, 18964), (4169, 17240), (4310, 16676), (4741, 15160), (7580, 9482), (8338, 8620)]