72327680

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1529

約数の個数: 80

約数和(自身を含む): 182666880

約数和(自身を除く): 110339200

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, 1487, 1520, 2432, 2560, 2974, 3040, 4864, 5948, 6080, 7435, 9728, 11896, 12160, 14870, 23792, 24320, 28253, 29740, 47584, 48640, 56506, 59480, 95168, 113012, 118960, 141265, 190336, 226024, 237920, 282530, 380672, 452048, 475840, 565060, 761344, 904096, 951680, 1130120, 1808192, 1903360, 2260240, 3616384, 3806720, 4520480, 7232768, 9040960, 14465536, 18081920, 36163840, 72327680]

約数ペア:

[(1, 72327680), (2, 36163840), (4, 18081920), (5, 14465536), (8, 9040960), (10, 7232768), (16, 4520480), (19, 3806720), (20, 3616384), (32, 2260240), (38, 1903360), (40, 1808192), (64, 1130120), (76, 951680), (80, 904096), (95, 761344), (128, 565060), (152, 475840), (160, 452048), (190, 380672), (256, 282530), (304, 237920), (320, 226024), (380, 190336), (512, 141265), (608, 118960), (640, 113012), (760, 95168), (1216, 59480), (1280, 56506), (1487, 48640), (1520, 47584), (2432, 29740), (2560, 28253), (2974, 24320), (3040, 23792), (4864, 14870), (5948, 12160), (6080, 11896), (7435, 9728)]