18667440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2357}}^1$

素因数の和:2387

約数の個数: 120

約数和(自身を含む): 68419728

約数和(自身を除く): 49752288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2357, 2640, 3960, 4714, 7071, 7920, 9428, 11785, 14142, 18856, 21213, 23570, 25927, 28284, 35355, 37712, 42426, 47140, 51854, 56568, 70710, 77781, 84852, 94280, 103708, 106065, 113136, 129635, 141420, 155562, 169704, 188560, 207416, 212130, 233343, 259270, 282840, 311124, 339408, 388905, 414832, 424260, 466686, 518540, 565680, 622248, 777810, 848520, 933372, 1037080, 1166715, 1244496, 1555620, 1697040, 1866744, 2074160, 2333430, 3111240, 3733488, 4666860, 6222480, 9333720, 18667440]

約数ペア:

[(1, 18667440), (2, 9333720), (3, 6222480), (4, 4666860), (5, 3733488), (6, 3111240), (8, 2333430), (9, 2074160), (10, 1866744), (11, 1697040), (12, 1555620), (15, 1244496), (16, 1166715), (18, 1037080), (20, 933372), (22, 848520), (24, 777810), (30, 622248), (33, 565680), (36, 518540), (40, 466686), (44, 424260), (45, 414832), (48, 388905), (55, 339408), (60, 311124), (66, 282840), (72, 259270), (80, 233343), (88, 212130), (90, 207416), (99, 188560), (110, 169704), (120, 155562), (132, 141420), (144, 129635), (165, 113136), (176, 106065), (180, 103708), (198, 94280), (220, 84852), (240, 77781), (264, 70710), (330, 56568), (360, 51854), (396, 47140), (440, 42426), (495, 37712), (528, 35355), (660, 28284), (720, 25927), (792, 23570), (880, 21213), (990, 18856), (1320, 14142), (1584, 11785), (1980, 9428), (2357, 7920), (2640, 7071), (3960, 4714)]