7718820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 21840000

約数和(自身を除く): 14121180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1249, 1545, 2060, 2498, 3090, 3747, 4996, 6180, 6245, 7494, 12490, 14988, 18735, 24980, 37470, 74940, 128647, 257294, 385941, 514588, 643235, 771882, 1286470, 1543764, 1929705, 2572940, 3859410, 7718820]

約数ペア:

[(1, 7718820), (2, 3859410), (3, 2572940), (4, 1929705), (5, 1543764), (6, 1286470), (10, 771882), (12, 643235), (15, 514588), (20, 385941), (30, 257294), (60, 128647), (103, 74940), (206, 37470), (309, 24980), (412, 18735), (515, 14988), (618, 12490), (1030, 7494), (1236, 6245), (1249, 6180), (1545, 4996), (2060, 3747), (2498, 3090)]