26989380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 91675584

約数和(自身を除く): 64686204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 317, 330, 387, 396, 430, 473, 495, 516, 634, 645, 660, 774, 860, 946, 951, 990, 1268, 1290, 1419, 1548, 1585, 1892, 1902, 1935, 1980, 2365, 2580, 2838, 2853, 3170, 3487, 3804, 3870, 4257, 4730, 4755, 5676, 5706, 6340, 6974, 7095, 7740, 8514, 9460, 9510, 10461, 11412, 13631, 13948, 14190, 14265, 17028, 17435, 19020, 20922, 21285, 27262, 28380, 28530, 31383, 34870, 40893, 41844, 42570, 52305, 54524, 57060, 62766, 68155, 69740, 81786, 85140, 104610, 122679, 125532, 136310, 149941, 156915, 163572, 204465, 209220, 245358, 272620, 299882, 313830, 408930, 449823, 490716, 599764, 613395, 627660, 749705, 817860, 899646, 1226790, 1349469, 1499410, 1799292, 2249115, 2453580, 2698938, 2998820, 4498230, 5397876, 6747345, 8996460, 13494690, 26989380]

約数ペア:

[(1, 26989380), (2, 13494690), (3, 8996460), (4, 6747345), (5, 5397876), (6, 4498230), (9, 2998820), (10, 2698938), (11, 2453580), (12, 2249115), (15, 1799292), (18, 1499410), (20, 1349469), (22, 1226790), (30, 899646), (33, 817860), (36, 749705), (43, 627660), (44, 613395), (45, 599764), (55, 490716), (60, 449823), (66, 408930), (86, 313830), (90, 299882), (99, 272620), (110, 245358), (129, 209220), (132, 204465), (165, 163572), (172, 156915), (180, 149941), (198, 136310), (215, 125532), (220, 122679), (258, 104610), (317, 85140), (330, 81786), (387, 69740), (396, 68155), (430, 62766), (473, 57060), (495, 54524), (516, 52305), (634, 42570), (645, 41844), (660, 40893), (774, 34870), (860, 31383), (946, 28530), (951, 28380), (990, 27262), (1268, 21285), (1290, 20922), (1419, 19020), (1548, 17435), (1585, 17028), (1892, 14265), (1902, 14190), (1935, 13948), (1980, 13631), (2365, 11412), (2580, 10461), (2838, 9510), (2853, 9460), (3170, 8514), (3487, 7740), (3804, 7095), (3870, 6974), (4257, 6340), (4730, 5706), (4755, 5676)]