49087980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 158505984

約数和(自身を除く): 109418004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 167, 180, 207, 213, 230, 276, 284, 334, 345, 355, 414, 426, 460, 501, 639, 668, 690, 710, 828, 835, 852, 1002, 1035, 1065, 1278, 1380, 1420, 1503, 1633, 1670, 2004, 2070, 2130, 2505, 2556, 3006, 3195, 3266, 3340, 3841, 4140, 4260, 4899, 5010, 6012, 6390, 6532, 7515, 7682, 8165, 9798, 10020, 11523, 11857, 12780, 14697, 15030, 15364, 16330, 19205, 19596, 23046, 23714, 24495, 29394, 30060, 32660, 34569, 35571, 38410, 46092, 47428, 48990, 57615, 58788, 59285, 69138, 71142, 73485, 76820, 97980, 106713, 115230, 118570, 138276, 142284, 146970, 172845, 177855, 213426, 230460, 237140, 272711, 293940, 345690, 355710, 426852, 533565, 545422, 691380, 711420, 818133, 1067130, 1090844, 1363555, 1636266, 2134260, 2454399, 2727110, 3272532, 4090665, 4908798, 5454220, 8181330, 9817596, 12271995, 16362660, 24543990, 49087980]

約数ペア:

[(1, 49087980), (2, 24543990), (3, 16362660), (4, 12271995), (5, 9817596), (6, 8181330), (9, 5454220), (10, 4908798), (12, 4090665), (15, 3272532), (18, 2727110), (20, 2454399), (23, 2134260), (30, 1636266), (36, 1363555), (45, 1090844), (46, 1067130), (60, 818133), (69, 711420), (71, 691380), (90, 545422), (92, 533565), (115, 426852), (138, 355710), (142, 345690), (167, 293940), (180, 272711), (207, 237140), (213, 230460), (230, 213426), (276, 177855), (284, 172845), (334, 146970), (345, 142284), (355, 138276), (414, 118570), (426, 115230), (460, 106713), (501, 97980), (639, 76820), (668, 73485), (690, 71142), (710, 69138), (828, 59285), (835, 58788), (852, 57615), (1002, 48990), (1035, 47428), (1065, 46092), (1278, 38410), (1380, 35571), (1420, 34569), (1503, 32660), (1633, 30060), (1670, 29394), (2004, 24495), (2070, 23714), (2130, 23046), (2505, 19596), (2556, 19205), (3006, 16330), (3195, 15364), (3266, 15030), (3340, 14697), (3841, 12780), (4140, 11857), (4260, 11523), (4899, 10020), (5010, 9798), (6012, 8165), (6390, 7682), (6532, 7515)]