17686980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1013}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 54257112

約数和(自身を除く): 36570132

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, 1013, 1164, 1455, 1746, 1940, 2026, 2910, 3039, 3492, 4052, 4365, 5065, 5820, 6078, 8730, 9117, 10130, 12156, 15195, 17460, 18234, 20260, 30390, 36468, 45585, 60780, 91170, 98261, 182340, 196522, 294783, 393044, 491305, 589566, 884349, 982610, 1179132, 1473915, 1768698, 1965220, 2947830, 3537396, 4421745, 5895660, 8843490, 17686980]

約数ペア:

[(1, 17686980), (2, 8843490), (3, 5895660), (4, 4421745), (5, 3537396), (6, 2947830), (9, 1965220), (10, 1768698), (12, 1473915), (15, 1179132), (18, 982610), (20, 884349), (30, 589566), (36, 491305), (45, 393044), (60, 294783), (90, 196522), (97, 182340), (180, 98261), (194, 91170), (291, 60780), (388, 45585), (485, 36468), (582, 30390), (873, 20260), (970, 18234), (1013, 17460), (1164, 15195), (1455, 12156), (1746, 10130), (1940, 9117), (2026, 8730), (2910, 6078), (3039, 5820), (3492, 5065), (4052, 4365)]