40872960

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{887}}^1$

素因数の和:918

約数の個数: 132

約数和(自身を含む): 141783408

約数和(自身を除く): 100910448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 887, 960, 1024, 1152, 1280, 1440, 1536, 1774, 1920, 2304, 2560, 2661, 2880, 3072, 3548, 3840, 4435, 4608, 5120, 5322, 5760, 7096, 7680, 7983, 8870, 9216, 10644, 11520, 13305, 14192, 15360, 15966, 17740, 21288, 23040, 26610, 28384, 31932, 35480, 39915, 42576, 46080, 53220, 56768, 63864, 70960, 79830, 85152, 106440, 113536, 127728, 141920, 159660, 170304, 212880, 227072, 255456, 283840, 319320, 340608, 425760, 454144, 510912, 567680, 638640, 681216, 851520, 908288, 1021824, 1135360, 1277280, 1362432, 1703040, 2043648, 2270720, 2554560, 2724864, 3406080, 4087296, 4541440, 5109120, 6812160, 8174592, 10218240, 13624320, 20436480, 40872960]

約数ペア:

[(1, 40872960), (2, 20436480), (3, 13624320), (4, 10218240), (5, 8174592), (6, 6812160), (8, 5109120), (9, 4541440), (10, 4087296), (12, 3406080), (15, 2724864), (16, 2554560), (18, 2270720), (20, 2043648), (24, 1703040), (30, 1362432), (32, 1277280), (36, 1135360), (40, 1021824), (45, 908288), (48, 851520), (60, 681216), (64, 638640), (72, 567680), (80, 510912), (90, 454144), (96, 425760), (120, 340608), (128, 319320), (144, 283840), (160, 255456), (180, 227072), (192, 212880), (240, 170304), (256, 159660), (288, 141920), (320, 127728), (360, 113536), (384, 106440), (480, 85152), (512, 79830), (576, 70960), (640, 63864), (720, 56768), (768, 53220), (887, 46080), (960, 42576), (1024, 39915), (1152, 35480), (1280, 31932), (1440, 28384), (1536, 26610), (1774, 23040), (1920, 21288), (2304, 17740), (2560, 15966), (2661, 15360), (2880, 14192), (3072, 13305), (3548, 11520), (3840, 10644), (4435, 9216), (4608, 8870), (5120, 7983), (5322, 7680), (5760, 7096)]