636761920

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32621}}^1$

素因数の和:32699

約数の個数: 56

約数和(自身を含む): 1541193768

約数和(自身を除く): 904431848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 32621, 65242, 130484, 163105, 260968, 326210, 521936, 652420, 1043872, 1304840, 1989881, 2087744, 2609680, 3979762, 5219360, 7959524, 9949405, 10438720, 15919048, 19898810, 31838096, 39797620, 63676192, 79595240, 127352384, 159190480, 318380960, 636761920]

約数ペア:

[(1, 636761920), (2, 318380960), (4, 159190480), (5, 127352384), (8, 79595240), (10, 63676192), (16, 39797620), (20, 31838096), (32, 19898810), (40, 15919048), (61, 10438720), (64, 9949405), (80, 7959524), (122, 5219360), (160, 3979762), (244, 2609680), (305, 2087744), (320, 1989881), (488, 1304840), (610, 1043872), (976, 652420), (1220, 521936), (1952, 326210), (2440, 260968), (3904, 163105), (4880, 130484), (9760, 65242), (19520, 32621)]