91388760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 285120000

約数和(自身を除く): 193731240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 89, 120, 129, 172, 178, 199, 215, 258, 267, 344, 356, 398, 430, 445, 516, 534, 597, 645, 712, 796, 860, 890, 995, 1032, 1068, 1194, 1290, 1335, 1592, 1720, 1780, 1990, 2136, 2388, 2580, 2670, 2985, 3560, 3827, 3980, 4776, 5160, 5340, 5970, 7654, 7960, 8557, 10680, 11481, 11940, 15308, 17114, 17711, 19135, 22962, 23880, 25671, 30616, 34228, 35422, 38270, 42785, 45924, 51342, 53133, 57405, 68456, 70844, 76540, 85570, 88555, 91848, 102684, 106266, 114810, 128355, 141688, 153080, 171140, 177110, 205368, 212532, 229620, 256710, 265665, 342280, 354220, 425064, 459240, 513420, 531330, 708440, 761573, 1026840, 1062660, 1523146, 2125320, 2284719, 3046292, 3807865, 4569438, 6092584, 7615730, 9138876, 11423595, 15231460, 18277752, 22847190, 30462920, 45694380, 91388760]

約数ペア:

[(1, 91388760), (2, 45694380), (3, 30462920), (4, 22847190), (5, 18277752), (6, 15231460), (8, 11423595), (10, 9138876), (12, 7615730), (15, 6092584), (20, 4569438), (24, 3807865), (30, 3046292), (40, 2284719), (43, 2125320), (60, 1523146), (86, 1062660), (89, 1026840), (120, 761573), (129, 708440), (172, 531330), (178, 513420), (199, 459240), (215, 425064), (258, 354220), (267, 342280), (344, 265665), (356, 256710), (398, 229620), (430, 212532), (445, 205368), (516, 177110), (534, 171140), (597, 153080), (645, 141688), (712, 128355), (796, 114810), (860, 106266), (890, 102684), (995, 91848), (1032, 88555), (1068, 85570), (1194, 76540), (1290, 70844), (1335, 68456), (1592, 57405), (1720, 53133), (1780, 51342), (1990, 45924), (2136, 42785), (2388, 38270), (2580, 35422), (2670, 34228), (2985, 30616), (3560, 25671), (3827, 23880), (3980, 22962), (4776, 19135), (5160, 17711), (5340, 17114), (5970, 15308), (7654, 11940), (7960, 11481), (8557, 10680)]