251775720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{2039}}^1$

素因数の和:2077

約数の個数: 192

約数和(自身を含む): 954720000

約数和(自身を除く): 702944280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1372, 1470, 1715, 1764, 1960, 2039, 2058, 2205, 2520, 2744, 2940, 3087, 3430, 3528, 4078, 4116, 4410, 5145, 5880, 6117, 6174, 6860, 8156, 8232, 8820, 10195, 10290, 12234, 12348, 13720, 14273, 15435, 16312, 17640, 18351, 20390, 20580, 24468, 24696, 28546, 30585, 30870, 36702, 40780, 41160, 42819, 48936, 57092, 61170, 61740, 71365, 73404, 81560, 85638, 91755, 99911, 114184, 122340, 123480, 128457, 142730, 146808, 171276, 183510, 199822, 214095, 244680, 256914, 285460, 299733, 342552, 367020, 399644, 428190, 499555, 513828, 570920, 599466, 642285, 699377, 734040, 799288, 856380, 899199, 999110, 1027656, 1198932, 1284570, 1398754, 1498665, 1712760, 1798398, 1998220, 2098131, 2397864, 2569140, 2797508, 2997330, 3496885, 3596796, 3996440, 4196262, 4495995, 5138280, 5595016, 5994660, 6294393, 6993770, 7193592, 8392524, 8991990, 10490655, 11989320, 12588786, 13987540, 16785048, 17983980, 20981310, 25177572, 27975080, 31471965, 35967960, 41962620, 50355144, 62943930, 83925240, 125887860, 251775720]

約数ペア:

[(1, 251775720), (2, 125887860), (3, 83925240), (4, 62943930), (5, 50355144), (6, 41962620), (7, 35967960), (8, 31471965), (9, 27975080), (10, 25177572), (12, 20981310), (14, 17983980), (15, 16785048), (18, 13987540), (20, 12588786), (21, 11989320), (24, 10490655), (28, 8991990), (30, 8392524), (35, 7193592), (36, 6993770), (40, 6294393), (42, 5994660), (45, 5595016), (49, 5138280), (56, 4495995), (60, 4196262), (63, 3996440), (70, 3596796), (72, 3496885), (84, 2997330), (90, 2797508), (98, 2569140), (105, 2397864), (120, 2098131), (126, 1998220), (140, 1798398), (147, 1712760), (168, 1498665), (180, 1398754), (196, 1284570), (210, 1198932), (245, 1027656), (252, 999110), (280, 899199), (294, 856380), (315, 799288), (343, 734040), (360, 699377), (392, 642285), (420, 599466), (441, 570920), (490, 513828), (504, 499555), (588, 428190), (630, 399644), (686, 367020), (735, 342552), (840, 299733), (882, 285460), (980, 256914), (1029, 244680), (1176, 214095), (1260, 199822), (1372, 183510), (1470, 171276), (1715, 146808), (1764, 142730), (1960, 128457), (2039, 123480), (2058, 122340), (2205, 114184), (2520, 99911), (2744, 91755), (2940, 85638), (3087, 81560), (3430, 73404), (3528, 71365), (4078, 61740), (4116, 61170), (4410, 57092), (5145, 48936), (5880, 42819), (6117, 41160), (6174, 40780), (6860, 36702), (8156, 30870), (8232, 30585), (8820, 28546), (10195, 24696), (10290, 24468), (12234, 20580), (12348, 20390), (13720, 18351), (14273, 17640), (15435, 16312)]