31010720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:922

約数の個数: 96

約数和(自身を含む): 83634768

約数和(自身を除く): 52624048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 877, 884, 1040, 1105, 1360, 1754, 1768, 2080, 2210, 2720, 3508, 3536, 4385, 4420, 7016, 7072, 8770, 8840, 11401, 14032, 14909, 17540, 17680, 22802, 28064, 29818, 35080, 35360, 45604, 57005, 59636, 70160, 74545, 91208, 114010, 119272, 140320, 149090, 182416, 193817, 228020, 238544, 298180, 364832, 387634, 456040, 477088, 596360, 775268, 912080, 969085, 1192720, 1550536, 1824160, 1938170, 2385440, 3101072, 3876340, 6202144, 7752680, 15505360, 31010720]

約数ペア:

[(1, 31010720), (2, 15505360), (4, 7752680), (5, 6202144), (8, 3876340), (10, 3101072), (13, 2385440), (16, 1938170), (17, 1824160), (20, 1550536), (26, 1192720), (32, 969085), (34, 912080), (40, 775268), (52, 596360), (65, 477088), (68, 456040), (80, 387634), (85, 364832), (104, 298180), (130, 238544), (136, 228020), (160, 193817), (170, 182416), (208, 149090), (221, 140320), (260, 119272), (272, 114010), (340, 91208), (416, 74545), (442, 70160), (520, 59636), (544, 57005), (680, 45604), (877, 35360), (884, 35080), (1040, 29818), (1105, 28064), (1360, 22802), (1754, 17680), (1768, 17540), (2080, 14909), (2210, 14032), (2720, 11401), (3508, 8840), (3536, 8770), (4385, 7072), (4420, 7016)]