18418560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 60147360

約数和(自身を除く): 41728800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 181, 192, 212, 240, 265, 318, 320, 362, 384, 424, 480, 530, 543, 636, 640, 724, 795, 848, 905, 960, 1060, 1086, 1272, 1448, 1590, 1696, 1810, 1920, 2120, 2172, 2544, 2715, 2896, 3180, 3392, 3620, 4240, 4344, 5088, 5430, 5792, 6360, 6784, 7240, 8480, 8688, 9593, 10176, 10860, 11584, 12720, 14480, 16960, 17376, 19186, 20352, 21720, 23168, 25440, 28779, 28960, 33920, 34752, 38372, 43440, 47965, 50880, 57558, 57920, 69504, 76744, 86880, 95930, 101760, 115116, 115840, 143895, 153488, 173760, 191860, 230232, 287790, 306976, 347520, 383720, 460464, 575580, 613952, 767440, 920928, 1151160, 1227904, 1534880, 1841856, 2302320, 3069760, 3683712, 4604640, 6139520, 9209280, 18418560]

約数ペア:

[(1, 18418560), (2, 9209280), (3, 6139520), (4, 4604640), (5, 3683712), (6, 3069760), (8, 2302320), (10, 1841856), (12, 1534880), (15, 1227904), (16, 1151160), (20, 920928), (24, 767440), (30, 613952), (32, 575580), (40, 460464), (48, 383720), (53, 347520), (60, 306976), (64, 287790), (80, 230232), (96, 191860), (106, 173760), (120, 153488), (128, 143895), (159, 115840), (160, 115116), (181, 101760), (192, 95930), (212, 86880), (240, 76744), (265, 69504), (318, 57920), (320, 57558), (362, 50880), (384, 47965), (424, 43440), (480, 38372), (530, 34752), (543, 33920), (636, 28960), (640, 28779), (724, 25440), (795, 23168), (848, 21720), (905, 20352), (960, 19186), (1060, 17376), (1086, 16960), (1272, 14480), (1448, 12720), (1590, 11584), (1696, 10860), (1810, 10176), (1920, 9593), (2120, 8688), (2172, 8480), (2544, 7240), (2715, 6784), (2896, 6360), (3180, 5792), (3392, 5430), (3620, 5088), (4240, 4344)]