69641780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 165957120

約数和(自身を除く): 96315340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 47, 52, 65, 82, 94, 130, 139, 164, 188, 205, 235, 260, 278, 410, 470, 533, 556, 611, 695, 820, 940, 1066, 1222, 1390, 1807, 1927, 2132, 2444, 2665, 2780, 3055, 3614, 3854, 5330, 5699, 6110, 6533, 7228, 7708, 9035, 9635, 10660, 11398, 12220, 13066, 18070, 19270, 22796, 25051, 26132, 28495, 32665, 36140, 38540, 50102, 56990, 65330, 74087, 84929, 100204, 113980, 125255, 130660, 148174, 169858, 250510, 267853, 296348, 339716, 370435, 424645, 501020, 535706, 740870, 849290, 1071412, 1339265, 1481740, 1698580, 2678530, 3482089, 5357060, 6964178, 13928356, 17410445, 34820890, 69641780]

約数ペア:

[(1, 69641780), (2, 34820890), (4, 17410445), (5, 13928356), (10, 6964178), (13, 5357060), (20, 3482089), (26, 2678530), (41, 1698580), (47, 1481740), (52, 1339265), (65, 1071412), (82, 849290), (94, 740870), (130, 535706), (139, 501020), (164, 424645), (188, 370435), (205, 339716), (235, 296348), (260, 267853), (278, 250510), (410, 169858), (470, 148174), (533, 130660), (556, 125255), (611, 113980), (695, 100204), (820, 84929), (940, 74087), (1066, 65330), (1222, 56990), (1390, 50102), (1807, 38540), (1927, 36140), (2132, 32665), (2444, 28495), (2665, 26132), (2780, 25051), (3055, 22796), (3614, 19270), (3854, 18070), (5330, 13066), (5699, 12220), (6110, 11398), (6533, 10660), (7228, 9635), (7708, 9035)]