1337843920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3727}}^1$

素因数の和:4388

約数の個数: 80

約数和(自身を含む): 3561343488

約数和(自身を除く): 2223499568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 641, 1282, 2564, 3205, 3727, 4487, 5128, 6410, 7454, 8974, 10256, 12820, 14908, 17948, 18635, 22435, 25640, 26089, 29816, 35896, 37270, 44870, 51280, 52178, 59632, 71792, 74540, 89740, 104356, 130445, 149080, 179480, 208712, 260890, 298160, 358960, 417424, 521780, 1043560, 2087120, 2389007, 4778014, 9556028, 11945035, 16723049, 19112056, 23890070, 33446098, 38224112, 47780140, 66892196, 83615245, 95560280, 133784392, 167230490, 191120560, 267568784, 334460980, 668921960, 1337843920]

約数ペア:

[(1, 1337843920), (2, 668921960), (4, 334460980), (5, 267568784), (7, 191120560), (8, 167230490), (10, 133784392), (14, 95560280), (16, 83615245), (20, 66892196), (28, 47780140), (35, 38224112), (40, 33446098), (56, 23890070), (70, 19112056), (80, 16723049), (112, 11945035), (140, 9556028), (280, 4778014), (560, 2389007), (641, 2087120), (1282, 1043560), (2564, 521780), (3205, 417424), (3727, 358960), (4487, 298160), (5128, 260890), (6410, 208712), (7454, 179480), (8974, 149080), (10256, 130445), (12820, 104356), (14908, 89740), (17948, 74540), (18635, 71792), (22435, 59632), (25640, 52178), (26089, 51280), (29816, 44870), (35896, 37270)]