581593480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 1472486400

約数和(自身を除く): 890892920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 109, 124, 130, 155, 218, 248, 260, 310, 331, 403, 436, 520, 545, 620, 662, 806, 872, 1090, 1240, 1324, 1417, 1612, 1655, 2015, 2180, 2648, 2834, 3224, 3310, 3379, 4030, 4303, 4360, 5668, 6620, 6758, 7085, 8060, 8606, 10261, 11336, 13240, 13516, 14170, 16120, 16895, 17212, 20522, 21515, 27032, 28340, 33790, 34424, 36079, 41044, 43030, 43927, 51305, 56680, 67580, 72158, 82088, 86060, 87854, 102610, 133393, 135160, 144316, 172120, 175708, 180395, 205220, 219635, 266786, 288632, 351416, 360790, 410440, 439270, 469027, 533572, 666965, 721580, 878540, 938054, 1067144, 1118449, 1333930, 1443160, 1757080, 1876108, 2236898, 2345135, 2667860, 3752216, 4473796, 4690270, 5335720, 5592245, 8947592, 9380540, 11184490, 14539837, 18761080, 22368980, 29079674, 44737960, 58159348, 72699185, 116318696, 145398370, 290796740, 581593480]

約数ペア:

[(1, 581593480), (2, 290796740), (4, 145398370), (5, 116318696), (8, 72699185), (10, 58159348), (13, 44737960), (20, 29079674), (26, 22368980), (31, 18761080), (40, 14539837), (52, 11184490), (62, 9380540), (65, 8947592), (104, 5592245), (109, 5335720), (124, 4690270), (130, 4473796), (155, 3752216), (218, 2667860), (248, 2345135), (260, 2236898), (310, 1876108), (331, 1757080), (403, 1443160), (436, 1333930), (520, 1118449), (545, 1067144), (620, 938054), (662, 878540), (806, 721580), (872, 666965), (1090, 533572), (1240, 469027), (1324, 439270), (1417, 410440), (1612, 360790), (1655, 351416), (2015, 288632), (2180, 266786), (2648, 219635), (2834, 205220), (3224, 180395), (3310, 175708), (3379, 172120), (4030, 144316), (4303, 135160), (4360, 133393), (5668, 102610), (6620, 87854), (6758, 86060), (7085, 82088), (8060, 72158), (8606, 67580), (10261, 56680), (11336, 51305), (13240, 43927), (13516, 43030), (14170, 41044), (16120, 36079), (16895, 34424), (17212, 33790), (20522, 28340), (21515, 27032)]