1273980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 3780000

約数和(自身を除く): 2506020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1249, 2498, 3747, 4996, 6245, 7494, 12490, 14988, 18735, 21233, 24980, 37470, 42466, 63699, 74940, 84932, 106165, 127398, 212330, 254796, 318495, 424660, 636990, 1273980]

約数ペア:

[(1, 1273980), (2, 636990), (3, 424660), (4, 318495), (5, 254796), (6, 212330), (10, 127398), (12, 106165), (15, 84932), (17, 74940), (20, 63699), (30, 42466), (34, 37470), (51, 24980), (60, 21233), (68, 18735), (85, 14988), (102, 12490), (170, 7494), (204, 6245), (255, 4996), (340, 3747), (510, 2498), (1020, 1249)]