18741120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 61395840

約数和(自身を除く): 42654720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 227, 240, 258, 320, 344, 384, 430, 454, 480, 516, 640, 645, 681, 688, 860, 908, 960, 1032, 1135, 1290, 1362, 1376, 1720, 1816, 1920, 2064, 2270, 2580, 2724, 2752, 3405, 3440, 3632, 4128, 4540, 5160, 5448, 5504, 6810, 6880, 7264, 8256, 9080, 9761, 10320, 10896, 13620, 13760, 14528, 16512, 18160, 19522, 20640, 21792, 27240, 27520, 29056, 29283, 36320, 39044, 41280, 43584, 48805, 54480, 58566, 72640, 78088, 82560, 87168, 97610, 108960, 117132, 145280, 146415, 156176, 195220, 217920, 234264, 292830, 312352, 390440, 435840, 468528, 585660, 624704, 780880, 937056, 1171320, 1249408, 1561760, 1874112, 2342640, 3123520, 3748224, 4685280, 6247040, 9370560, 18741120]

約数ペア:

[(1, 18741120), (2, 9370560), (3, 6247040), (4, 4685280), (5, 3748224), (6, 3123520), (8, 2342640), (10, 1874112), (12, 1561760), (15, 1249408), (16, 1171320), (20, 937056), (24, 780880), (30, 624704), (32, 585660), (40, 468528), (43, 435840), (48, 390440), (60, 312352), (64, 292830), (80, 234264), (86, 217920), (96, 195220), (120, 156176), (128, 146415), (129, 145280), (160, 117132), (172, 108960), (192, 97610), (215, 87168), (227, 82560), (240, 78088), (258, 72640), (320, 58566), (344, 54480), (384, 48805), (430, 43584), (454, 41280), (480, 39044), (516, 36320), (640, 29283), (645, 29056), (681, 27520), (688, 27240), (860, 21792), (908, 20640), (960, 19522), (1032, 18160), (1135, 16512), (1290, 14528), (1362, 13760), (1376, 13620), (1720, 10896), (1816, 10320), (1920, 9761), (2064, 9080), (2270, 8256), (2580, 7264), (2724, 6880), (2752, 6810), (3405, 5504), (3440, 5448), (3632, 5160), (4128, 4540)]