71639820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56857}}^1$

素因数の和:56879

約数の個数: 72

約数和(自身を含む): 248355744

約数和(自身を除く): 176715924

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, 56857, 113714, 170571, 227428, 284285, 341142, 397999, 511713, 568570, 682284, 795998, 852855, 1023426, 1137140, 1193997, 1591996, 1705710, 1989995, 2046852, 2387994, 2558565, 3411420, 3581991, 3979990, 4775988, 5117130, 5969985, 7163982, 7959980, 10234260, 11939970, 14327964, 17909955, 23879940, 35819910, 71639820]

約数ペア:

[(1, 71639820), (2, 35819910), (3, 23879940), (4, 17909955), (5, 14327964), (6, 11939970), (7, 10234260), (9, 7959980), (10, 7163982), (12, 5969985), (14, 5117130), (15, 4775988), (18, 3979990), (20, 3581991), (21, 3411420), (28, 2558565), (30, 2387994), (35, 2046852), (36, 1989995), (42, 1705710), (45, 1591996), (60, 1193997), (63, 1137140), (70, 1023426), (84, 852855), (90, 795998), (105, 682284), (126, 568570), (140, 511713), (180, 397999), (210, 341142), (252, 284285), (315, 227428), (420, 170571), (630, 113714), (1260, 56857)]