81210390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87323}}^1$

素因数の和:87364

約数の個数: 32

約数和(自身を含む): 201194496

約数和(自身を除く): 119984106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87323, 174646, 261969, 436615, 523938, 873230, 1309845, 2619690, 2707013, 5414026, 8121039, 13535065, 16242078, 27070130, 40605195, 81210390]

約数ペア:

[(1, 81210390), (2, 40605195), (3, 27070130), (5, 16242078), (6, 13535065), (10, 8121039), (15, 5414026), (30, 2707013), (31, 2619690), (62, 1309845), (93, 873230), (155, 523938), (186, 436615), (310, 261969), (465, 174646), (930, 87323)]