42976640

素因数分解:

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

素因数の和:260

約数の個数: 128

約数和(自身を含む): 120294720

約数和(自身を除く): 77318080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 181, 212, 224, 265, 280, 320, 362, 371, 424, 448, 530, 560, 640, 724, 742, 848, 896, 905, 1060, 1120, 1267, 1448, 1484, 1696, 1810, 1855, 2120, 2240, 2534, 2896, 2968, 3392, 3620, 3710, 4240, 4480, 5068, 5792, 5936, 6335, 6784, 7240, 7420, 8480, 9593, 10136, 11584, 11872, 12670, 14480, 14840, 16960, 19186, 20272, 23168, 23744, 25340, 28960, 29680, 33920, 38372, 40544, 47488, 47965, 50680, 57920, 59360, 67151, 76744, 81088, 95930, 101360, 115840, 118720, 134302, 153488, 162176, 191860, 202720, 237440, 268604, 306976, 335755, 383720, 405440, 537208, 613952, 671510, 767440, 810880, 1074416, 1227904, 1343020, 1534880, 2148832, 2686040, 3069760, 4297664, 5372080, 6139520, 8595328, 10744160, 21488320, 42976640]

約数ペア:

[(1, 42976640), (2, 21488320), (4, 10744160), (5, 8595328), (7, 6139520), (8, 5372080), (10, 4297664), (14, 3069760), (16, 2686040), (20, 2148832), (28, 1534880), (32, 1343020), (35, 1227904), (40, 1074416), (53, 810880), (56, 767440), (64, 671510), (70, 613952), (80, 537208), (106, 405440), (112, 383720), (128, 335755), (140, 306976), (160, 268604), (181, 237440), (212, 202720), (224, 191860), (265, 162176), (280, 153488), (320, 134302), (362, 118720), (371, 115840), (424, 101360), (448, 95930), (530, 81088), (560, 76744), (640, 67151), (724, 59360), (742, 57920), (848, 50680), (896, 47965), (905, 47488), (1060, 40544), (1120, 38372), (1267, 33920), (1448, 29680), (1484, 28960), (1696, 25340), (1810, 23744), (1855, 23168), (2120, 20272), (2240, 19186), (2534, 16960), (2896, 14840), (2968, 14480), (3392, 12670), (3620, 11872), (3710, 11584), (4240, 10136), (4480, 9593), (5068, 8480), (5792, 7420), (5936, 7240), (6335, 6784)]