168874840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1033}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 392340960

約数和(自身を除く): 223466120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1033, 1220, 1340, 2066, 2440, 2680, 4087, 4132, 5165, 8174, 8264, 10330, 16348, 20435, 20660, 32696, 40870, 41320, 63013, 69211, 81740, 126026, 138422, 163480, 252052, 276844, 315065, 346055, 504104, 553688, 630130, 692110, 1260260, 1384220, 2520520, 2768440, 4221871, 8443742, 16887484, 21109355, 33774968, 42218710, 84437420, 168874840]

約数ペア:

[(1, 168874840), (2, 84437420), (4, 42218710), (5, 33774968), (8, 21109355), (10, 16887484), (20, 8443742), (40, 4221871), (61, 2768440), (67, 2520520), (122, 1384220), (134, 1260260), (244, 692110), (268, 630130), (305, 553688), (335, 504104), (488, 346055), (536, 315065), (610, 276844), (670, 252052), (1033, 163480), (1220, 138422), (1340, 126026), (2066, 81740), (2440, 69211), (2680, 63013), (4087, 41320), (4132, 40870), (5165, 32696), (8174, 20660), (8264, 20435), (10330, 16348)]