12837220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 31933440

約数和(自身を除く): 19096220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 43, 44, 46, 55, 59, 86, 92, 110, 115, 118, 172, 215, 220, 230, 236, 253, 295, 430, 460, 473, 506, 590, 649, 860, 946, 989, 1012, 1180, 1265, 1298, 1357, 1892, 1978, 2365, 2530, 2537, 2596, 2714, 3245, 3956, 4730, 4945, 5060, 5074, 5428, 6490, 6785, 9460, 9890, 10148, 10879, 12685, 12980, 13570, 14927, 19780, 21758, 25370, 27140, 27907, 29854, 43516, 50740, 54395, 55814, 58351, 59708, 74635, 108790, 111628, 116702, 139535, 149270, 217580, 233404, 279070, 291755, 298540, 558140, 583510, 641861, 1167020, 1283722, 2567444, 3209305, 6418610, 12837220]

約数ペア:

[(1, 12837220), (2, 6418610), (4, 3209305), (5, 2567444), (10, 1283722), (11, 1167020), (20, 641861), (22, 583510), (23, 558140), (43, 298540), (44, 291755), (46, 279070), (55, 233404), (59, 217580), (86, 149270), (92, 139535), (110, 116702), (115, 111628), (118, 108790), (172, 74635), (215, 59708), (220, 58351), (230, 55814), (236, 54395), (253, 50740), (295, 43516), (430, 29854), (460, 27907), (473, 27140), (506, 25370), (590, 21758), (649, 19780), (860, 14927), (946, 13570), (989, 12980), (1012, 12685), (1180, 10879), (1265, 10148), (1298, 9890), (1357, 9460), (1892, 6785), (1978, 6490), (2365, 5428), (2530, 5074), (2537, 5060), (2596, 4945), (2714, 4730), (3245, 3956)]