31326460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 45894404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 151, 164, 205, 220, 230, 253, 302, 410, 451, 460, 506, 604, 755, 820, 902, 943, 1012, 1265, 1510, 1661, 1804, 1886, 2255, 2530, 3020, 3322, 3473, 3772, 4510, 4715, 5060, 6191, 6644, 6946, 8305, 9020, 9430, 10373, 12382, 13892, 16610, 17365, 18860, 20746, 24764, 30955, 33220, 34730, 38203, 41492, 51865, 61910, 68101, 69460, 76406, 103730, 123820, 136202, 142393, 152812, 191015, 207460, 272404, 284786, 340505, 382030, 569572, 681010, 711965, 764060, 1362020, 1423930, 1566323, 2847860, 3132646, 6265292, 7831615, 15663230, 31326460]

約数ペア:

[(1, 31326460), (2, 15663230), (4, 7831615), (5, 6265292), (10, 3132646), (11, 2847860), (20, 1566323), (22, 1423930), (23, 1362020), (41, 764060), (44, 711965), (46, 681010), (55, 569572), (82, 382030), (92, 340505), (110, 284786), (115, 272404), (151, 207460), (164, 191015), (205, 152812), (220, 142393), (230, 136202), (253, 123820), (302, 103730), (410, 76406), (451, 69460), (460, 68101), (506, 61910), (604, 51865), (755, 41492), (820, 38203), (902, 34730), (943, 33220), (1012, 30955), (1265, 24764), (1510, 20746), (1661, 18860), (1804, 17365), (1886, 16610), (2255, 13892), (2530, 12382), (3020, 10373), (3322, 9430), (3473, 9020), (3772, 8305), (4510, 6946), (4715, 6644), (5060, 6191)]