31259970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 97830720

約数和(自身を除く): 66570750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 59, 63, 70, 87, 90, 105, 118, 126, 145, 174, 177, 203, 210, 261, 290, 295, 315, 354, 406, 413, 435, 522, 531, 590, 609, 630, 826, 841, 870, 885, 1015, 1062, 1218, 1239, 1305, 1682, 1711, 1770, 1827, 2030, 2065, 2478, 2523, 2610, 2655, 3045, 3422, 3654, 3717, 4130, 4205, 5046, 5133, 5310, 5887, 6090, 6195, 7434, 7569, 8410, 8555, 9135, 10266, 11774, 11977, 12390, 12615, 15138, 15399, 17110, 17661, 18270, 18585, 23954, 25230, 25665, 29435, 30798, 35322, 35931, 37170, 37845, 49619, 51330, 52983, 58870, 59885, 71862, 75690, 76995, 88305, 99238, 105966, 107793, 119770, 148857, 153990, 176610, 179655, 215586, 248095, 264915, 297714, 347333, 359310, 446571, 496190, 529830, 538965, 694666, 744285, 893142, 1041999, 1077930, 1488570, 1736665, 2083998, 2232855, 3125997, 3473330, 4465710, 5209995, 6251994, 10419990, 15629985, 31259970]

約数ペア:

[(1, 31259970), (2, 15629985), (3, 10419990), (5, 6251994), (6, 5209995), (7, 4465710), (9, 3473330), (10, 3125997), (14, 2232855), (15, 2083998), (18, 1736665), (21, 1488570), (29, 1077930), (30, 1041999), (35, 893142), (42, 744285), (45, 694666), (58, 538965), (59, 529830), (63, 496190), (70, 446571), (87, 359310), (90, 347333), (105, 297714), (118, 264915), (126, 248095), (145, 215586), (174, 179655), (177, 176610), (203, 153990), (210, 148857), (261, 119770), (290, 107793), (295, 105966), (315, 99238), (354, 88305), (406, 76995), (413, 75690), (435, 71862), (522, 59885), (531, 58870), (590, 52983), (609, 51330), (630, 49619), (826, 37845), (841, 37170), (870, 35931), (885, 35322), (1015, 30798), (1062, 29435), (1218, 25665), (1239, 25230), (1305, 23954), (1682, 18585), (1711, 18270), (1770, 17661), (1827, 17110), (2030, 15399), (2065, 15138), (2478, 12615), (2523, 12390), (2610, 11977), (2655, 11774), (3045, 10266), (3422, 9135), (3654, 8555), (3717, 8410), (4130, 7569), (4205, 7434), (5046, 6195), (5133, 6090), (5310, 5887)]