2772780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 7980000

約数和(自身を除く): 5207220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1249, 2220, 2498, 3747, 4996, 6245, 7494, 12490, 14988, 18735, 24980, 37470, 46213, 74940, 92426, 138639, 184852, 231065, 277278, 462130, 554556, 693195, 924260, 1386390, 2772780]

約数ペア:

[(1, 2772780), (2, 1386390), (3, 924260), (4, 693195), (5, 554556), (6, 462130), (10, 277278), (12, 231065), (15, 184852), (20, 138639), (30, 92426), (37, 74940), (60, 46213), (74, 37470), (111, 24980), (148, 18735), (185, 14988), (222, 12490), (370, 7494), (444, 6245), (555, 4996), (740, 3747), (1110, 2498), (1249, 2220)]