12561220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 32514048

約数和(自身を除く): 19952828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 70, 83, 92, 94, 115, 140, 161, 166, 188, 230, 235, 322, 329, 332, 415, 460, 470, 581, 644, 658, 805, 830, 940, 1081, 1162, 1316, 1610, 1645, 1660, 1909, 2162, 2324, 2905, 3220, 3290, 3818, 3901, 4324, 5405, 5810, 6580, 7567, 7636, 7802, 9545, 10810, 11620, 13363, 15134, 15604, 19090, 19505, 21620, 26726, 27307, 30268, 37835, 38180, 39010, 53452, 54614, 66815, 75670, 78020, 89723, 109228, 133630, 136535, 151340, 179446, 267260, 273070, 358892, 448615, 546140, 628061, 897230, 1256122, 1794460, 2512244, 3140305, 6280610, 12561220]

約数ペア:

[(1, 12561220), (2, 6280610), (4, 3140305), (5, 2512244), (7, 1794460), (10, 1256122), (14, 897230), (20, 628061), (23, 546140), (28, 448615), (35, 358892), (46, 273070), (47, 267260), (70, 179446), (83, 151340), (92, 136535), (94, 133630), (115, 109228), (140, 89723), (161, 78020), (166, 75670), (188, 66815), (230, 54614), (235, 53452), (322, 39010), (329, 38180), (332, 37835), (415, 30268), (460, 27307), (470, 26726), (581, 21620), (644, 19505), (658, 19090), (805, 15604), (830, 15134), (940, 13363), (1081, 11620), (1162, 10810), (1316, 9545), (1610, 7802), (1645, 7636), (1660, 7567), (1909, 6580), (2162, 5810), (2324, 5405), (2905, 4324), (3220, 3901), (3290, 3818)]