68425560

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 240

約数和(自身を含む): 268155360

約数和(自身を除く): 199729800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 431, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 862, 882, 945, 980, 1080, 1134, 1176, 1260, 1293, 1323, 1470, 1512, 1620, 1724, 1764, 1890, 1960, 2155, 2205, 2268, 2520, 2586, 2646, 2835, 2940, 3017, 3240, 3448, 3528, 3780, 3879, 3969, 4310, 4410, 4536, 5172, 5292, 5670, 5880, 6034, 6465, 6615, 7560, 7758, 7938, 8620, 8820, 9051, 10344, 10584, 11340, 11637, 12068, 12930, 13230, 15085, 15516, 15876, 17240, 17640, 18102, 19395, 19845, 21119, 22680, 23274, 24136, 25860, 26460, 27153, 30170, 31032, 31752, 34911, 36204, 38790, 39690, 42238, 45255, 46548, 51720, 52920, 54306, 58185, 60340, 63357, 69822, 72408, 77580, 79380, 81459, 84476, 90510, 93096, 105595, 108612, 116370, 120680, 126714, 135765, 139644, 155160, 158760, 162918, 168952, 174555, 181020, 190071, 211190, 217224, 232740, 244377, 253428, 271530, 279288, 316785, 325836, 349110, 362040, 380142, 407295, 422380, 465480, 488754, 506856, 543060, 570213, 633570, 651672, 698220, 760284, 814590, 844760, 950355, 977508, 1086120, 1140426, 1221885, 1267140, 1396440, 1520568, 1629180, 1710639, 1900710, 1955016, 2280852, 2443770, 2534280, 2851065, 3258360, 3421278, 3801420, 4561704, 4887540, 5702130, 6842556, 7602840, 8553195, 9775080, 11404260, 13685112, 17106390, 22808520, 34212780, 68425560]

約数ペア:

[(1, 68425560), (2, 34212780), (3, 22808520), (4, 17106390), (5, 13685112), (6, 11404260), (7, 9775080), (8, 8553195), (9, 7602840), (10, 6842556), (12, 5702130), (14, 4887540), (15, 4561704), (18, 3801420), (20, 3421278), (21, 3258360), (24, 2851065), (27, 2534280), (28, 2443770), (30, 2280852), (35, 1955016), (36, 1900710), (40, 1710639), (42, 1629180), (45, 1520568), (49, 1396440), (54, 1267140), (56, 1221885), (60, 1140426), (63, 1086120), (70, 977508), (72, 950355), (81, 844760), (84, 814590), (90, 760284), (98, 698220), (105, 651672), (108, 633570), (120, 570213), (126, 543060), (135, 506856), (140, 488754), (147, 465480), (162, 422380), (168, 407295), (180, 380142), (189, 362040), (196, 349110), (210, 325836), (216, 316785), (245, 279288), (252, 271530), (270, 253428), (280, 244377), (294, 232740), (315, 217224), (324, 211190), (360, 190071), (378, 181020), (392, 174555), (405, 168952), (420, 162918), (431, 158760), (441, 155160), (490, 139644), (504, 135765), (540, 126714), (567, 120680), (588, 116370), (630, 108612), (648, 105595), (735, 93096), (756, 90510), (810, 84476), (840, 81459), (862, 79380), (882, 77580), (945, 72408), (980, 69822), (1080, 63357), (1134, 60340), (1176, 58185), (1260, 54306), (1293, 52920), (1323, 51720), (1470, 46548), (1512, 45255), (1620, 42238), (1724, 39690), (1764, 38790), (1890, 36204), (1960, 34911), (2155, 31752), (2205, 31032), (2268, 30170), (2520, 27153), (2586, 26460), (2646, 25860), (2835, 24136), (2940, 23274), (3017, 22680), (3240, 21119), (3448, 19845), (3528, 19395), (3780, 18102), (3879, 17640), (3969, 17240), (4310, 15876), (4410, 15516), (4536, 15085), (5172, 13230), (5292, 12930), (5670, 12068), (5880, 11637), (6034, 11340), (6465, 10584), (6615, 10344), (7560, 9051), (7758, 8820), (7938, 8620)]