1289910560

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{599}}^1$

素因数の和:970

約数の個数: 96

約数和(自身を含む): 3133468800

約数和(自身を除く): 1843558240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 313, 344, 430, 599, 626, 688, 860, 1198, 1252, 1376, 1565, 1720, 2396, 2504, 2995, 3130, 3440, 4792, 5008, 5990, 6260, 6880, 9584, 10016, 11980, 12520, 13459, 19168, 23960, 25040, 25757, 26918, 47920, 50080, 51514, 53836, 67295, 95840, 103028, 107672, 128785, 134590, 187487, 206056, 215344, 257570, 269180, 374974, 412112, 430688, 515140, 538360, 749948, 824224, 937435, 1030280, 1076720, 1499896, 1874870, 2060560, 2153440, 2999792, 3749740, 4121120, 5999584, 7499480, 8061941, 14998960, 16123882, 29997920, 32247764, 40309705, 64495528, 80619410, 128991056, 161238820, 257982112, 322477640, 644955280, 1289910560]

約数ペア:

[(1, 1289910560), (2, 644955280), (4, 322477640), (5, 257982112), (8, 161238820), (10, 128991056), (16, 80619410), (20, 64495528), (32, 40309705), (40, 32247764), (43, 29997920), (80, 16123882), (86, 14998960), (160, 8061941), (172, 7499480), (215, 5999584), (313, 4121120), (344, 3749740), (430, 2999792), (599, 2153440), (626, 2060560), (688, 1874870), (860, 1499896), (1198, 1076720), (1252, 1030280), (1376, 937435), (1565, 824224), (1720, 749948), (2396, 538360), (2504, 515140), (2995, 430688), (3130, 412112), (3440, 374974), (4792, 269180), (5008, 257570), (5990, 215344), (6260, 206056), (6880, 187487), (9584, 134590), (10016, 128785), (11980, 107672), (12520, 103028), (13459, 95840), (19168, 67295), (23960, 53836), (25040, 51514), (25757, 50080), (26918, 47920)]