72474880

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 177962904

約数和(自身を除く): 105488024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1381, 1640, 2624, 2762, 3280, 5248, 5524, 6560, 6905, 10496, 11048, 13120, 13810, 22096, 26240, 27620, 44192, 52480, 55240, 56621, 88384, 110480, 113242, 176768, 220960, 226484, 283105, 353536, 441920, 452968, 566210, 883840, 905936, 1132420, 1767680, 1811872, 2264840, 3623744, 4529680, 7247488, 9059360, 14494976, 18118720, 36237440, 72474880]

約数ペア:

[(1, 72474880), (2, 36237440), (4, 18118720), (5, 14494976), (8, 9059360), (10, 7247488), (16, 4529680), (20, 3623744), (32, 2264840), (40, 1811872), (41, 1767680), (64, 1132420), (80, 905936), (82, 883840), (128, 566210), (160, 452968), (164, 441920), (205, 353536), (256, 283105), (320, 226484), (328, 220960), (410, 176768), (640, 113242), (656, 110480), (820, 88384), (1280, 56621), (1312, 55240), (1381, 52480), (1640, 44192), (2624, 27620), (2762, 26240), (3280, 22096), (5248, 13810), (5524, 13120), (6560, 11048), (6905, 10496)]