79466240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 223204800

約数和(自身を除く): 143738560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 181, 196, 224, 245, 256, 280, 320, 343, 362, 392, 448, 490, 560, 640, 686, 724, 784, 896, 905, 980, 1120, 1267, 1280, 1372, 1448, 1568, 1715, 1792, 1810, 1960, 2240, 2534, 2744, 2896, 3136, 3430, 3620, 3920, 4480, 5068, 5488, 5792, 6272, 6335, 6860, 7240, 7840, 8869, 8960, 10136, 10976, 11584, 12544, 12670, 13720, 14480, 15680, 17738, 20272, 21952, 23168, 25340, 27440, 28960, 31360, 35476, 40544, 43904, 44345, 46336, 50680, 54880, 57920, 62083, 62720, 70952, 81088, 87808, 88690, 101360, 109760, 115840, 124166, 141904, 162176, 177380, 202720, 219520, 231680, 248332, 283808, 310415, 324352, 354760, 405440, 439040, 496664, 567616, 620830, 709520, 810880, 993328, 1135232, 1241660, 1419040, 1621760, 1986656, 2270464, 2483320, 2838080, 3973312, 4966640, 5676160, 7946624, 9933280, 11352320, 15893248, 19866560, 39733120, 79466240]

約数ペア:

[(1, 79466240), (2, 39733120), (4, 19866560), (5, 15893248), (7, 11352320), (8, 9933280), (10, 7946624), (14, 5676160), (16, 4966640), (20, 3973312), (28, 2838080), (32, 2483320), (35, 2270464), (40, 1986656), (49, 1621760), (56, 1419040), (64, 1241660), (70, 1135232), (80, 993328), (98, 810880), (112, 709520), (128, 620830), (140, 567616), (160, 496664), (181, 439040), (196, 405440), (224, 354760), (245, 324352), (256, 310415), (280, 283808), (320, 248332), (343, 231680), (362, 219520), (392, 202720), (448, 177380), (490, 162176), (560, 141904), (640, 124166), (686, 115840), (724, 109760), (784, 101360), (896, 88690), (905, 87808), (980, 81088), (1120, 70952), (1267, 62720), (1280, 62083), (1372, 57920), (1448, 54880), (1568, 50680), (1715, 46336), (1792, 44345), (1810, 43904), (1960, 40544), (2240, 35476), (2534, 31360), (2744, 28960), (2896, 27440), (3136, 25340), (3430, 23168), (3620, 21952), (3920, 20272), (4480, 17738), (5068, 15680), (5488, 14480), (5792, 13720), (6272, 12670), (6335, 12544), (6860, 11584), (7240, 10976), (7840, 10136), (8869, 8960)]