77927680

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 194850432

約数和(自身を除く): 116922752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2647, 2944, 3680, 5294, 5888, 7360, 10588, 13235, 14720, 21176, 26470, 29440, 42352, 52940, 60881, 84704, 105880, 121762, 169408, 211760, 243524, 304405, 338816, 423520, 487048, 608810, 677632, 847040, 974096, 1217620, 1694080, 1948192, 2435240, 3388160, 3896384, 4870480, 7792768, 9740960, 15585536, 19481920, 38963840, 77927680]

約数ペア:

[(1, 77927680), (2, 38963840), (4, 19481920), (5, 15585536), (8, 9740960), (10, 7792768), (16, 4870480), (20, 3896384), (23, 3388160), (32, 2435240), (40, 1948192), (46, 1694080), (64, 1217620), (80, 974096), (92, 847040), (115, 677632), (128, 608810), (160, 487048), (184, 423520), (230, 338816), (256, 304405), (320, 243524), (368, 211760), (460, 169408), (640, 121762), (736, 105880), (920, 84704), (1280, 60881), (1472, 52940), (1840, 42352), (2647, 29440), (2944, 26470), (3680, 21176), (5294, 14720), (5888, 13235), (7360, 10588)]