71818740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56999}}^1$

素因数の和:57021

約数の個数: 72

約数和(自身を含む): 248976000

約数和(自身を除く): 177157260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 56999, 113998, 170997, 227996, 284995, 341994, 398993, 512991, 569990, 683988, 797986, 854985, 1025982, 1139980, 1196979, 1595972, 1709970, 1994965, 2051964, 2393958, 2564955, 3419940, 3590937, 3989930, 4787916, 5129910, 5984895, 7181874, 7979860, 10259820, 11969790, 14363748, 17954685, 23939580, 35909370, 71818740]

約数ペア:

[(1, 71818740), (2, 35909370), (3, 23939580), (4, 17954685), (5, 14363748), (6, 11969790), (7, 10259820), (9, 7979860), (10, 7181874), (12, 5984895), (14, 5129910), (15, 4787916), (18, 3989930), (20, 3590937), (21, 3419940), (28, 2564955), (30, 2393958), (35, 2051964), (36, 1994965), (42, 1709970), (45, 1595972), (60, 1196979), (63, 1139980), (70, 1025982), (84, 854985), (90, 797986), (105, 683988), (126, 569990), (140, 512991), (180, 398993), (210, 341994), (252, 284995), (315, 227996), (420, 170997), (630, 113998), (1260, 56999)]