138312080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 339930624

約数和(自身を除く): 201618544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1297, 1333, 1720, 2480, 2594, 2666, 3440, 5188, 5332, 6485, 6665, 10376, 10664, 12970, 13330, 20752, 21328, 25940, 26660, 40207, 51880, 53320, 55771, 80414, 103760, 106640, 111542, 160828, 201035, 223084, 278855, 321656, 402070, 446168, 557710, 643312, 804140, 892336, 1115420, 1608280, 1728901, 2230840, 3216560, 3457802, 4461680, 6915604, 8644505, 13831208, 17289010, 27662416, 34578020, 69156040, 138312080]

約数ペア:

[(1, 138312080), (2, 69156040), (4, 34578020), (5, 27662416), (8, 17289010), (10, 13831208), (16, 8644505), (20, 6915604), (31, 4461680), (40, 3457802), (43, 3216560), (62, 2230840), (80, 1728901), (86, 1608280), (124, 1115420), (155, 892336), (172, 804140), (215, 643312), (248, 557710), (310, 446168), (344, 402070), (430, 321656), (496, 278855), (620, 223084), (688, 201035), (860, 160828), (1240, 111542), (1297, 106640), (1333, 103760), (1720, 80414), (2480, 55771), (2594, 53320), (2666, 51880), (3440, 40207), (5188, 26660), (5332, 25940), (6485, 21328), (6665, 20752), (10376, 13330), (10664, 12970)]