15689940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37357}}^1$

素因数の和:37376

約数の個数: 48

約数和(自身を含む): 50209152

約数和(自身を除く): 34519212

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, 37357, 74714, 112071, 149428, 186785, 224142, 261499, 373570, 448284, 522998, 560355, 747140, 784497, 1045996, 1120710, 1307495, 1568994, 2241420, 2614990, 3137988, 3922485, 5229980, 7844970, 15689940]

約数ペア:

[(1, 15689940), (2, 7844970), (3, 5229980), (4, 3922485), (5, 3137988), (6, 2614990), (7, 2241420), (10, 1568994), (12, 1307495), (14, 1120710), (15, 1045996), (20, 784497), (21, 747140), (28, 560355), (30, 522998), (35, 448284), (42, 373570), (60, 261499), (70, 224142), (84, 186785), (105, 149428), (140, 112071), (210, 74714), (420, 37357)]