68409880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 206841600

約数和(自身を除く): 138431720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 88, 95, 98, 110, 133, 140, 152, 154, 167, 190, 196, 209, 220, 245, 266, 280, 308, 334, 380, 385, 392, 418, 440, 490, 532, 539, 616, 665, 668, 760, 770, 835, 836, 931, 980, 1045, 1064, 1078, 1169, 1330, 1336, 1463, 1540, 1670, 1672, 1837, 1862, 1960, 2090, 2156, 2338, 2660, 2695, 2926, 3080, 3173, 3340, 3674, 3724, 4180, 4312, 4655, 4676, 5320, 5390, 5845, 5852, 6346, 6680, 7315, 7348, 7448, 8183, 8360, 9185, 9310, 9352, 10241, 10780, 11690, 11704, 12692, 12859, 14630, 14696, 15865, 16366, 18370, 18620, 20482, 21560, 22211, 23380, 25384, 25718, 29260, 31730, 32732, 34903, 36740, 37240, 40915, 40964, 44422, 46760, 51205, 51436, 58520, 63460, 64295, 65464, 69806, 73480, 81830, 81928, 88844, 90013, 102410, 102872, 111055, 126920, 128590, 139612, 155477, 163660, 174515, 177688, 180026, 204820, 222110, 244321, 257180, 279224, 310954, 327320, 349030, 360052, 409640, 444220, 450065, 488642, 514360, 621908, 698060, 720104, 777385, 888440, 900130, 977284, 1221605, 1243816, 1396120, 1554770, 1710247, 1800260, 1954568, 2443210, 3109540, 3420494, 3600520, 4886420, 6219080, 6840988, 8551235, 9772840, 13681976, 17102470, 34204940, 68409880]

約数ペア:

[(1, 68409880), (2, 34204940), (4, 17102470), (5, 13681976), (7, 9772840), (8, 8551235), (10, 6840988), (11, 6219080), (14, 4886420), (19, 3600520), (20, 3420494), (22, 3109540), (28, 2443210), (35, 1954568), (38, 1800260), (40, 1710247), (44, 1554770), (49, 1396120), (55, 1243816), (56, 1221605), (70, 977284), (76, 900130), (77, 888440), (88, 777385), (95, 720104), (98, 698060), (110, 621908), (133, 514360), (140, 488642), (152, 450065), (154, 444220), (167, 409640), (190, 360052), (196, 349030), (209, 327320), (220, 310954), (245, 279224), (266, 257180), (280, 244321), (308, 222110), (334, 204820), (380, 180026), (385, 177688), (392, 174515), (418, 163660), (440, 155477), (490, 139612), (532, 128590), (539, 126920), (616, 111055), (665, 102872), (668, 102410), (760, 90013), (770, 88844), (835, 81928), (836, 81830), (931, 73480), (980, 69806), (1045, 65464), (1064, 64295), (1078, 63460), (1169, 58520), (1330, 51436), (1336, 51205), (1463, 46760), (1540, 44422), (1670, 40964), (1672, 40915), (1837, 37240), (1862, 36740), (1960, 34903), (2090, 32732), (2156, 31730), (2338, 29260), (2660, 25718), (2695, 25384), (2926, 23380), (3080, 22211), (3173, 21560), (3340, 20482), (3674, 18620), (3724, 18370), (4180, 16366), (4312, 15865), (4655, 14696), (4676, 14630), (5320, 12859), (5390, 12692), (5845, 11704), (5852, 11690), (6346, 10780), (6680, 10241), (7315, 9352), (7348, 9310), (7448, 9185), (8183, 8360)]