51838740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2969}}^1$

素因数の和:3081

約数の個数: 72

約数和(自身を含む): 158918760

約数和(自身を除く): 107080020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 2969, 3492, 4365, 5820, 5938, 8730, 8907, 11876, 14845, 17460, 17814, 26721, 29690, 35628, 44535, 53442, 59380, 89070, 106884, 133605, 178140, 267210, 287993, 534420, 575986, 863979, 1151972, 1439965, 1727958, 2591937, 2879930, 3455916, 4319895, 5183874, 5759860, 8639790, 10367748, 12959685, 17279580, 25919370, 51838740]

約数ペア:

[(1, 51838740), (2, 25919370), (3, 17279580), (4, 12959685), (5, 10367748), (6, 8639790), (9, 5759860), (10, 5183874), (12, 4319895), (15, 3455916), (18, 2879930), (20, 2591937), (30, 1727958), (36, 1439965), (45, 1151972), (60, 863979), (90, 575986), (97, 534420), (180, 287993), (194, 267210), (291, 178140), (388, 133605), (485, 106884), (582, 89070), (873, 59380), (970, 53442), (1164, 44535), (1455, 35628), (1746, 29690), (1940, 26721), (2910, 17814), (2969, 17460), (3492, 14845), (4365, 11876), (5820, 8907), (5938, 8730)]