30899820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73571}}^1$

素因数の和:73590

約数の個数: 48

約数和(自身を含む): 98880768

約数和(自身を除く): 67980948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73571, 147142, 220713, 294284, 367855, 441426, 514997, 735710, 882852, 1029994, 1103565, 1471420, 1544991, 2059988, 2207130, 2574985, 3089982, 4414260, 5149970, 6179964, 7724955, 10299940, 15449910, 30899820]

約数ペア:

[(1, 30899820), (2, 15449910), (3, 10299940), (4, 7724955), (5, 6179964), (6, 5149970), (7, 4414260), (10, 3089982), (12, 2574985), (14, 2207130), (15, 2059988), (20, 1544991), (21, 1471420), (28, 1103565), (30, 1029994), (35, 882852), (42, 735710), (60, 514997), (70, 441426), (84, 367855), (105, 294284), (140, 220713), (210, 147142), (420, 73571)]