70720760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 175482720

約数和(自身を除く): 104761960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1657, 1940, 2134, 3314, 3880, 4268, 5335, 6628, 8285, 8536, 10670, 13256, 16570, 18227, 21340, 33140, 36454, 42680, 66280, 72908, 91135, 145816, 160729, 182270, 321458, 364540, 642916, 729080, 803645, 1285832, 1607290, 1768019, 3214580, 3536038, 6429160, 7072076, 8840095, 14144152, 17680190, 35360380, 70720760]

約数ペア:

[(1, 70720760), (2, 35360380), (4, 17680190), (5, 14144152), (8, 8840095), (10, 7072076), (11, 6429160), (20, 3536038), (22, 3214580), (40, 1768019), (44, 1607290), (55, 1285832), (88, 803645), (97, 729080), (110, 642916), (194, 364540), (220, 321458), (388, 182270), (440, 160729), (485, 145816), (776, 91135), (970, 72908), (1067, 66280), (1657, 42680), (1940, 36454), (2134, 33140), (3314, 21340), (3880, 18227), (4268, 16570), (5335, 13256), (6628, 10670), (8285, 8536)]