72883840

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2489

約数の個数: 64

約数和(自身を含む): 178018560

約数和(自身を除く): 105134720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2423, 3008, 3760, 4846, 6016, 7520, 9692, 12115, 15040, 19384, 24230, 30080, 38768, 48460, 77536, 96920, 113881, 155072, 193840, 227762, 310144, 387680, 455524, 569405, 775360, 911048, 1138810, 1550720, 1822096, 2277620, 3644192, 4555240, 7288384, 9110480, 14576768, 18220960, 36441920, 72883840]

約数ペア:

[(1, 72883840), (2, 36441920), (4, 18220960), (5, 14576768), (8, 9110480), (10, 7288384), (16, 4555240), (20, 3644192), (32, 2277620), (40, 1822096), (47, 1550720), (64, 1138810), (80, 911048), (94, 775360), (128, 569405), (160, 455524), (188, 387680), (235, 310144), (320, 227762), (376, 193840), (470, 155072), (640, 113881), (752, 96920), (940, 77536), (1504, 48460), (1880, 38768), (2423, 30080), (3008, 24230), (3760, 19384), (4846, 15040), (6016, 12115), (7520, 9692)]