31399830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 106748928

約数和(自身を除く): 75349098

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 23, 30, 33, 35, 42, 45, 46, 55, 63, 66, 69, 70, 77, 90, 99, 105, 110, 115, 126, 138, 154, 161, 165, 197, 198, 207, 210, 230, 231, 253, 315, 322, 330, 345, 385, 394, 414, 462, 483, 495, 506, 591, 630, 690, 693, 759, 770, 805, 966, 985, 990, 1035, 1155, 1182, 1265, 1379, 1386, 1449, 1518, 1610, 1771, 1773, 1970, 2070, 2167, 2277, 2310, 2415, 2530, 2758, 2898, 2955, 3465, 3542, 3546, 3795, 4137, 4334, 4531, 4554, 4830, 5313, 5910, 6501, 6895, 6930, 7245, 7590, 8274, 8855, 8865, 9062, 10626, 10835, 11385, 12411, 13002, 13593, 13790, 14490, 15169, 15939, 17710, 17730, 19503, 20685, 21670, 22655, 22770, 24822, 26565, 27186, 30338, 31717, 31878, 32505, 39006, 40779, 41370, 45310, 45507, 49841, 53130, 62055, 63434, 65010, 67965, 75845, 79695, 81558, 91014, 95151, 97515, 99682, 124110, 135930, 136521, 149523, 151690, 158585, 159390, 190302, 195030, 203895, 227535, 249205, 273042, 285453, 299046, 317170, 348887, 407790, 448569, 455070, 475755, 498410, 570906, 682605, 697774, 747615, 897138, 951510, 1046661, 1365210, 1427265, 1495230, 1744435, 2093322, 2242845, 2854530, 3139983, 3488870, 4485690, 5233305, 6279966, 10466610, 15699915, 31399830]

約数ペア:

[(1, 31399830), (2, 15699915), (3, 10466610), (5, 6279966), (6, 5233305), (7, 4485690), (9, 3488870), (10, 3139983), (11, 2854530), (14, 2242845), (15, 2093322), (18, 1744435), (21, 1495230), (22, 1427265), (23, 1365210), (30, 1046661), (33, 951510), (35, 897138), (42, 747615), (45, 697774), (46, 682605), (55, 570906), (63, 498410), (66, 475755), (69, 455070), (70, 448569), (77, 407790), (90, 348887), (99, 317170), (105, 299046), (110, 285453), (115, 273042), (126, 249205), (138, 227535), (154, 203895), (161, 195030), (165, 190302), (197, 159390), (198, 158585), (207, 151690), (210, 149523), (230, 136521), (231, 135930), (253, 124110), (315, 99682), (322, 97515), (330, 95151), (345, 91014), (385, 81558), (394, 79695), (414, 75845), (462, 67965), (483, 65010), (495, 63434), (506, 62055), (591, 53130), (630, 49841), (690, 45507), (693, 45310), (759, 41370), (770, 40779), (805, 39006), (966, 32505), (985, 31878), (990, 31717), (1035, 30338), (1155, 27186), (1182, 26565), (1265, 24822), (1379, 22770), (1386, 22655), (1449, 21670), (1518, 20685), (1610, 19503), (1771, 17730), (1773, 17710), (1970, 15939), (2070, 15169), (2167, 14490), (2277, 13790), (2310, 13593), (2415, 13002), (2530, 12411), (2758, 11385), (2898, 10835), (2955, 10626), (3465, 9062), (3542, 8865), (3546, 8855), (3795, 8274), (4137, 7590), (4334, 7245), (4531, 6930), (4554, 6895), (4830, 6501), (5313, 5910)]