31577520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 160

約数和(自身を含む): 109368000

約数和(自身を除く): 77790480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 174, 195, 208, 232, 240, 260, 290, 312, 348, 349, 377, 390, 435, 464, 520, 580, 624, 696, 698, 754, 780, 870, 1040, 1047, 1131, 1160, 1392, 1396, 1508, 1560, 1740, 1745, 1885, 2094, 2262, 2320, 2792, 3016, 3120, 3480, 3490, 3770, 4188, 4524, 4537, 5235, 5584, 5655, 6032, 6960, 6980, 7540, 8376, 9048, 9074, 10121, 10470, 11310, 13611, 13960, 15080, 16752, 18096, 18148, 20242, 20940, 22620, 22685, 27222, 27920, 30160, 30363, 36296, 40484, 41880, 45240, 45370, 50605, 54444, 60726, 68055, 72592, 80968, 83760, 90480, 90740, 101210, 108888, 121452, 131573, 136110, 151815, 161936, 181480, 202420, 217776, 242904, 263146, 272220, 303630, 362960, 394719, 404840, 485808, 526292, 544440, 607260, 657865, 789438, 809680, 1052584, 1088880, 1214520, 1315730, 1578876, 1973595, 2105168, 2429040, 2631460, 3157752, 3947190, 5262920, 6315504, 7894380, 10525840, 15788760, 31577520]

約数ペア:

[(1, 31577520), (2, 15788760), (3, 10525840), (4, 7894380), (5, 6315504), (6, 5262920), (8, 3947190), (10, 3157752), (12, 2631460), (13, 2429040), (15, 2105168), (16, 1973595), (20, 1578876), (24, 1315730), (26, 1214520), (29, 1088880), (30, 1052584), (39, 809680), (40, 789438), (48, 657865), (52, 607260), (58, 544440), (60, 526292), (65, 485808), (78, 404840), (80, 394719), (87, 362960), (104, 303630), (116, 272220), (120, 263146), (130, 242904), (145, 217776), (156, 202420), (174, 181480), (195, 161936), (208, 151815), (232, 136110), (240, 131573), (260, 121452), (290, 108888), (312, 101210), (348, 90740), (349, 90480), (377, 83760), (390, 80968), (435, 72592), (464, 68055), (520, 60726), (580, 54444), (624, 50605), (696, 45370), (698, 45240), (754, 41880), (780, 40484), (870, 36296), (1040, 30363), (1047, 30160), (1131, 27920), (1160, 27222), (1392, 22685), (1396, 22620), (1508, 20940), (1560, 20242), (1740, 18148), (1745, 18096), (1885, 16752), (2094, 15080), (2262, 13960), (2320, 13611), (2792, 11310), (3016, 10470), (3120, 10121), (3480, 9074), (3490, 9048), (3770, 8376), (4188, 7540), (4524, 6980), (4537, 6960), (5235, 6032), (5584, 5655)]