138819480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26903}}^1$

素因数の和:26960

約数の個数: 64

約数和(自身を含む): 426159360

約数和(自身を除く): 287339880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 26903, 53806, 80709, 107612, 134515, 161418, 215224, 269030, 322836, 403545, 538060, 645672, 807090, 1076120, 1156829, 1614180, 2313658, 3228360, 3470487, 4627316, 5784145, 6940974, 9254632, 11568290, 13881948, 17352435, 23136580, 27763896, 34704870, 46273160, 69409740, 138819480]

約数ペア:

[(1, 138819480), (2, 69409740), (3, 46273160), (4, 34704870), (5, 27763896), (6, 23136580), (8, 17352435), (10, 13881948), (12, 11568290), (15, 9254632), (20, 6940974), (24, 5784145), (30, 4627316), (40, 3470487), (43, 3228360), (60, 2313658), (86, 1614180), (120, 1156829), (129, 1076120), (172, 807090), (215, 645672), (258, 538060), (344, 403545), (430, 322836), (516, 269030), (645, 215224), (860, 161418), (1032, 134515), (1290, 107612), (1720, 80709), (2580, 53806), (5160, 26903)]