1215209940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2893357}}^1$

素因数の和:2893376

約数の個数: 48

約数和(自身を含む): 3888673152

約数和(自身を除く): 2673463212

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, 2893357, 5786714, 8680071, 11573428, 14466785, 17360142, 20253499, 28933570, 34720284, 40506998, 43400355, 57867140, 60760497, 81013996, 86800710, 101267495, 121520994, 173601420, 202534990, 243041988, 303802485, 405069980, 607604970, 1215209940]

約数ペア:

[(1, 1215209940), (2, 607604970), (3, 405069980), (4, 303802485), (5, 243041988), (6, 202534990), (7, 173601420), (10, 121520994), (12, 101267495), (14, 86800710), (15, 81013996), (20, 60760497), (21, 57867140), (28, 43400355), (30, 40506998), (35, 34720284), (42, 28933570), (60, 20253499), (70, 17360142), (84, 14466785), (105, 11573428), (140, 8680071), (210, 5786714), (420, 2893357)]