161971920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 320

約数和(自身を含む): 646030080

約数和(自身を除く): 484058160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 216, 220, 240, 255, 264, 270, 272, 297, 306, 330, 340, 360, 374, 396, 401, 408, 432, 440, 459, 495, 510, 528, 540, 561, 594, 612, 660, 680, 720, 748, 765, 792, 802, 816, 880, 918, 935, 990, 1020, 1080, 1122, 1188, 1203, 1224, 1320, 1360, 1485, 1496, 1530, 1584, 1604, 1683, 1836, 1870, 1980, 2005, 2040, 2160, 2244, 2295, 2376, 2406, 2448, 2640, 2805, 2970, 2992, 3060, 3208, 3366, 3609, 3672, 3740, 3960, 4010, 4080, 4411, 4488, 4590, 4752, 4812, 5049, 5610, 5940, 6015, 6120, 6416, 6732, 6817, 7218, 7344, 7480, 7920, 8020, 8415, 8822, 8976, 9180, 9624, 10098, 10827, 11220, 11880, 12030, 12240, 13233, 13464, 13634, 14436, 14960, 16040, 16830, 17644, 18045, 18360, 19248, 20196, 20451, 21654, 22055, 22440, 23760, 24060, 25245, 26466, 26928, 27268, 28872, 32080, 33660, 34085, 35288, 36090, 36720, 39699, 40392, 40902, 43308, 44110, 44880, 48120, 50490, 52932, 54135, 54536, 57744, 61353, 66165, 67320, 68170, 70576, 72180, 74987, 79398, 80784, 81804, 86616, 88220, 96240, 100980, 102255, 105864, 108270, 109072, 119097, 122706, 132330, 134640, 136340, 144360, 149974, 158796, 163608, 173232, 176440, 184059, 198495, 201960, 204510, 211728, 216540, 224961, 238194, 245412, 264660, 272680, 288720, 299948, 306765, 317592, 327216, 352880, 368118, 374935, 396990, 403920, 409020, 433080, 449922, 476388, 490824, 529320, 545360, 595485, 599896, 613530, 635184, 674883, 736236, 749870, 793980, 818040, 866160, 899844, 920295, 952776, 981648, 1058640, 1124805, 1190970, 1199792, 1227060, 1349766, 1472472, 1499740, 1587960, 1636080, 1799688, 1840590, 1905552, 2024649, 2249610, 2381940, 2454120, 2699532, 2944944, 2999480, 3175920, 3374415, 3599376, 3681180, 4049298, 4499220, 4763880, 4908240, 5399064, 5998960, 6748830, 7362360, 8098596, 8998440, 9527760, 10123245, 10798128, 13497660, 14724720, 16197192, 17996880, 20246490, 26995320, 32394384, 40492980, 53990640, 80985960, 161971920]

約数ペア:

[(1, 161971920), (2, 80985960), (3, 53990640), (4, 40492980), (5, 32394384), (6, 26995320), (8, 20246490), (9, 17996880), (10, 16197192), (11, 14724720), (12, 13497660), (15, 10798128), (16, 10123245), (17, 9527760), (18, 8998440), (20, 8098596), (22, 7362360), (24, 6748830), (27, 5998960), (30, 5399064), (33, 4908240), (34, 4763880), (36, 4499220), (40, 4049298), (44, 3681180), (45, 3599376), (48, 3374415), (51, 3175920), (54, 2999480), (55, 2944944), (60, 2699532), (66, 2454120), (68, 2381940), (72, 2249610), (80, 2024649), (85, 1905552), (88, 1840590), (90, 1799688), (99, 1636080), (102, 1587960), (108, 1499740), (110, 1472472), (120, 1349766), (132, 1227060), (135, 1199792), (136, 1190970), (144, 1124805), (153, 1058640), (165, 981648), (170, 952776), (176, 920295), (180, 899844), (187, 866160), (198, 818040), (204, 793980), (216, 749870), (220, 736236), (240, 674883), (255, 635184), (264, 613530), (270, 599896), (272, 595485), (297, 545360), (306, 529320), (330, 490824), (340, 476388), (360, 449922), (374, 433080), (396, 409020), (401, 403920), (408, 396990), (432, 374935), (440, 368118), (459, 352880), (495, 327216), (510, 317592), (528, 306765), (540, 299948), (561, 288720), (594, 272680), (612, 264660), (660, 245412), (680, 238194), (720, 224961), (748, 216540), (765, 211728), (792, 204510), (802, 201960), (816, 198495), (880, 184059), (918, 176440), (935, 173232), (990, 163608), (1020, 158796), (1080, 149974), (1122, 144360), (1188, 136340), (1203, 134640), (1224, 132330), (1320, 122706), (1360, 119097), (1485, 109072), (1496, 108270), (1530, 105864), (1584, 102255), (1604, 100980), (1683, 96240), (1836, 88220), (1870, 86616), (1980, 81804), (2005, 80784), (2040, 79398), (2160, 74987), (2244, 72180), (2295, 70576), (2376, 68170), (2406, 67320), (2448, 66165), (2640, 61353), (2805, 57744), (2970, 54536), (2992, 54135), (3060, 52932), (3208, 50490), (3366, 48120), (3609, 44880), (3672, 44110), (3740, 43308), (3960, 40902), (4010, 40392), (4080, 39699), (4411, 36720), (4488, 36090), (4590, 35288), (4752, 34085), (4812, 33660), (5049, 32080), (5610, 28872), (5940, 27268), (6015, 26928), (6120, 26466), (6416, 25245), (6732, 24060), (6817, 23760), (7218, 22440), (7344, 22055), (7480, 21654), (7920, 20451), (8020, 20196), (8415, 19248), (8822, 18360), (8976, 18045), (9180, 17644), (9624, 16830), (10098, 16040), (10827, 14960), (11220, 14436), (11880, 13634), (12030, 13464), (12240, 13233)]