80985960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 256

約数和(自身を含む): 312595200

約数和(自身を除く): 231609240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 51, 54, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 153, 165, 170, 180, 187, 198, 204, 216, 220, 255, 264, 270, 297, 306, 330, 340, 360, 374, 396, 401, 408, 440, 459, 495, 510, 540, 561, 594, 612, 660, 680, 748, 765, 792, 802, 918, 935, 990, 1020, 1080, 1122, 1188, 1203, 1224, 1320, 1485, 1496, 1530, 1604, 1683, 1836, 1870, 1980, 2005, 2040, 2244, 2295, 2376, 2406, 2805, 2970, 3060, 3208, 3366, 3609, 3672, 3740, 3960, 4010, 4411, 4488, 4590, 4812, 5049, 5610, 5940, 6015, 6120, 6732, 6817, 7218, 7480, 8020, 8415, 8822, 9180, 9624, 10098, 10827, 11220, 11880, 12030, 13233, 13464, 13634, 14436, 16040, 16830, 17644, 18045, 18360, 20196, 20451, 21654, 22055, 22440, 24060, 25245, 26466, 27268, 28872, 33660, 34085, 35288, 36090, 39699, 40392, 40902, 43308, 44110, 48120, 50490, 52932, 54135, 54536, 61353, 66165, 67320, 68170, 72180, 74987, 79398, 81804, 86616, 88220, 100980, 102255, 105864, 108270, 119097, 122706, 132330, 136340, 144360, 149974, 158796, 163608, 176440, 184059, 198495, 201960, 204510, 216540, 224961, 238194, 245412, 264660, 272680, 299948, 306765, 317592, 368118, 374935, 396990, 409020, 433080, 449922, 476388, 490824, 529320, 595485, 599896, 613530, 674883, 736236, 749870, 793980, 818040, 899844, 920295, 952776, 1124805, 1190970, 1227060, 1349766, 1472472, 1499740, 1587960, 1799688, 1840590, 2024649, 2249610, 2381940, 2454120, 2699532, 2999480, 3374415, 3681180, 4049298, 4499220, 4763880, 5399064, 6748830, 7362360, 8098596, 8998440, 10123245, 13497660, 16197192, 20246490, 26995320, 40492980, 80985960]

約数ペア:

[(1, 80985960), (2, 40492980), (3, 26995320), (4, 20246490), (5, 16197192), (6, 13497660), (8, 10123245), (9, 8998440), (10, 8098596), (11, 7362360), (12, 6748830), (15, 5399064), (17, 4763880), (18, 4499220), (20, 4049298), (22, 3681180), (24, 3374415), (27, 2999480), (30, 2699532), (33, 2454120), (34, 2381940), (36, 2249610), (40, 2024649), (44, 1840590), (45, 1799688), (51, 1587960), (54, 1499740), (55, 1472472), (60, 1349766), (66, 1227060), (68, 1190970), (72, 1124805), (85, 952776), (88, 920295), (90, 899844), (99, 818040), (102, 793980), (108, 749870), (110, 736236), (120, 674883), (132, 613530), (135, 599896), (136, 595485), (153, 529320), (165, 490824), (170, 476388), (180, 449922), (187, 433080), (198, 409020), (204, 396990), (216, 374935), (220, 368118), (255, 317592), (264, 306765), (270, 299948), (297, 272680), (306, 264660), (330, 245412), (340, 238194), (360, 224961), (374, 216540), (396, 204510), (401, 201960), (408, 198495), (440, 184059), (459, 176440), (495, 163608), (510, 158796), (540, 149974), (561, 144360), (594, 136340), (612, 132330), (660, 122706), (680, 119097), (748, 108270), (765, 105864), (792, 102255), (802, 100980), (918, 88220), (935, 86616), (990, 81804), (1020, 79398), (1080, 74987), (1122, 72180), (1188, 68170), (1203, 67320), (1224, 66165), (1320, 61353), (1485, 54536), (1496, 54135), (1530, 52932), (1604, 50490), (1683, 48120), (1836, 44110), (1870, 43308), (1980, 40902), (2005, 40392), (2040, 39699), (2244, 36090), (2295, 35288), (2376, 34085), (2406, 33660), (2805, 28872), (2970, 27268), (3060, 26466), (3208, 25245), (3366, 24060), (3609, 22440), (3672, 22055), (3740, 21654), (3960, 20451), (4010, 20196), (4411, 18360), (4488, 18045), (4590, 17644), (4812, 16830), (5049, 16040), (5610, 14436), (5940, 13634), (6015, 13464), (6120, 13233), (6732, 12030), (6817, 11880), (7218, 11220), (7480, 10827), (8020, 10098), (8415, 9624), (8822, 9180)]