72911360

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1541

約数の個数: 80

約数和(自身を含む): 184140000

約数和(自身を除く): 111228640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1499, 1520, 2432, 2560, 2998, 3040, 4864, 5996, 6080, 7495, 9728, 11992, 12160, 14990, 23984, 24320, 28481, 29980, 47968, 48640, 56962, 59960, 95936, 113924, 119920, 142405, 191872, 227848, 239840, 284810, 383744, 455696, 479680, 569620, 767488, 911392, 959360, 1139240, 1822784, 1918720, 2278480, 3645568, 3837440, 4556960, 7291136, 9113920, 14582272, 18227840, 36455680, 72911360]

約数ペア:

[(1, 72911360), (2, 36455680), (4, 18227840), (5, 14582272), (8, 9113920), (10, 7291136), (16, 4556960), (19, 3837440), (20, 3645568), (32, 2278480), (38, 1918720), (40, 1822784), (64, 1139240), (76, 959360), (80, 911392), (95, 767488), (128, 569620), (152, 479680), (160, 455696), (190, 383744), (256, 284810), (304, 239840), (320, 227848), (380, 191872), (512, 142405), (608, 119920), (640, 113924), (760, 95936), (1216, 59960), (1280, 56962), (1499, 48640), (1520, 47968), (2432, 29980), (2560, 28481), (2998, 24320), (3040, 23984), (4864, 14990), (5996, 12160), (6080, 11992), (7495, 9728)]