12215220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 34440000

約数和(自身を除く): 22224780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1249, 1630, 1956, 2445, 2498, 3260, 3747, 4890, 4996, 6245, 7494, 9780, 12490, 14988, 18735, 24980, 37470, 74940, 203587, 407174, 610761, 814348, 1017935, 1221522, 2035870, 2443044, 3053805, 4071740, 6107610, 12215220]

約数ペア:

[(1, 12215220), (2, 6107610), (3, 4071740), (4, 3053805), (5, 2443044), (6, 2035870), (10, 1221522), (12, 1017935), (15, 814348), (20, 610761), (30, 407174), (60, 203587), (163, 74940), (326, 37470), (489, 24980), (652, 18735), (815, 14988), (978, 12490), (1249, 9780), (1630, 7494), (1956, 6245), (2445, 4996), (2498, 4890), (3260, 3747)]