91047040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{20323}}^1$

素因数の和:20349

約数の個数: 64

約数和(自身を含む): 248765760

約数和(自身を除く): 157718720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20323, 40646, 81292, 101615, 142261, 162584, 203230, 284522, 325168, 406460, 569044, 650336, 711305, 812920, 1138088, 1300672, 1422610, 1625840, 2276176, 2601344, 2845220, 3251680, 4552352, 5690440, 6503360, 9104704, 11380880, 13006720, 18209408, 22761760, 45523520, 91047040]

約数ペア:

[(1, 91047040), (2, 45523520), (4, 22761760), (5, 18209408), (7, 13006720), (8, 11380880), (10, 9104704), (14, 6503360), (16, 5690440), (20, 4552352), (28, 3251680), (32, 2845220), (35, 2601344), (40, 2276176), (56, 1625840), (64, 1422610), (70, 1300672), (80, 1138088), (112, 812920), (128, 711305), (140, 650336), (160, 569044), (224, 406460), (280, 325168), (320, 284522), (448, 203230), (560, 162584), (640, 142261), (896, 101615), (1120, 81292), (2240, 40646), (4480, 20323)]