991170720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2188

約数の個数: 288

約数和(自身を含む): 3771593280

約数和(自身を除く): 2780422560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 570, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1440, 1520, 1530, 1615, 1632, 1710, 1824, 1938, 2040, 2131, 2280, 2448, 2584, 2720, 2736, 2907, 3040, 3060, 3230, 3420, 3876, 4080, 4262, 4560, 4845, 4896, 5168, 5472, 5814, 6120, 6393, 6460, 6840, 7752, 8160, 8524, 9120, 9690, 10336, 10655, 11628, 12240, 12786, 12920, 13680, 14535, 15504, 17048, 19179, 19380, 21310, 23256, 24480, 25572, 25840, 27360, 29070, 31008, 31965, 34096, 36227, 38358, 38760, 40489, 42620, 46512, 51144, 51680, 58140, 63930, 68192, 72454, 76716, 77520, 80978, 85240, 93024, 95895, 102288, 108681, 116280, 121467, 127860, 144908, 153432, 155040, 161956, 170480, 181135, 191790, 202445, 204576, 217362, 232560, 242934, 255720, 289816, 306864, 323912, 326043, 340960, 362270, 364401, 383580, 404890, 434724, 465120, 485868, 511440, 543405, 579632, 607335, 613728, 647824, 652086, 688313, 724540, 728802, 767160, 809780, 869448, 971736, 1022880, 1086810, 1159264, 1214670, 1295648, 1304172, 1376626, 1449080, 1457604, 1534320, 1619560, 1630215, 1738896, 1822005, 1943472, 2064939, 2173620, 2429340, 2608344, 2753252, 2898160, 2915208, 3068640, 3239120, 3260430, 3441565, 3477792, 3644010, 3886944, 4129878, 4347240, 4858680, 5216688, 5506504, 5796320, 5830416, 6194817, 6478240, 6520860, 6883130, 7288020, 8259756, 8694480, 9717360, 10324695, 10433376, 11013008, 11660832, 12389634, 13041720, 13766260, 14576040, 16519512, 17388960, 19434720, 20649390, 22026016, 24779268, 26083440, 27532520, 29152080, 30974085, 33039024, 41298780, 49558536, 52166880, 55065040, 58304160, 61948170, 66078048, 82597560, 99117072, 110130080, 123896340, 165195120, 198234144, 247792680, 330390240, 495585360, 991170720]

約数ペア:

[(1, 991170720), (2, 495585360), (3, 330390240), (4, 247792680), (5, 198234144), (6, 165195120), (8, 123896340), (9, 110130080), (10, 99117072), (12, 82597560), (15, 66078048), (16, 61948170), (17, 58304160), (18, 55065040), (19, 52166880), (20, 49558536), (24, 41298780), (30, 33039024), (32, 30974085), (34, 29152080), (36, 27532520), (38, 26083440), (40, 24779268), (45, 22026016), (48, 20649390), (51, 19434720), (57, 17388960), (60, 16519512), (68, 14576040), (72, 13766260), (76, 13041720), (80, 12389634), (85, 11660832), (90, 11013008), (95, 10433376), (96, 10324695), (102, 9717360), (114, 8694480), (120, 8259756), (136, 7288020), (144, 6883130), (152, 6520860), (153, 6478240), (160, 6194817), (170, 5830416), (171, 5796320), (180, 5506504), (190, 5216688), (204, 4858680), (228, 4347240), (240, 4129878), (255, 3886944), (272, 3644010), (285, 3477792), (288, 3441565), (304, 3260430), (306, 3239120), (323, 3068640), (340, 2915208), (342, 2898160), (360, 2753252), (380, 2608344), (408, 2429340), (456, 2173620), (480, 2064939), (510, 1943472), (544, 1822005), (570, 1738896), (608, 1630215), (612, 1619560), (646, 1534320), (680, 1457604), (684, 1449080), (720, 1376626), (760, 1304172), (765, 1295648), (816, 1214670), (855, 1159264), (912, 1086810), (969, 1022880), (1020, 971736), (1140, 869448), (1224, 809780), (1292, 767160), (1360, 728802), (1368, 724540), (1440, 688313), (1520, 652086), (1530, 647824), (1615, 613728), (1632, 607335), (1710, 579632), (1824, 543405), (1938, 511440), (2040, 485868), (2131, 465120), (2280, 434724), (2448, 404890), (2584, 383580), (2720, 364401), (2736, 362270), (2907, 340960), (3040, 326043), (3060, 323912), (3230, 306864), (3420, 289816), (3876, 255720), (4080, 242934), (4262, 232560), (4560, 217362), (4845, 204576), (4896, 202445), (5168, 191790), (5472, 181135), (5814, 170480), (6120, 161956), (6393, 155040), (6460, 153432), (6840, 144908), (7752, 127860), (8160, 121467), (8524, 116280), (9120, 108681), (9690, 102288), (10336, 95895), (10655, 93024), (11628, 85240), (12240, 80978), (12786, 77520), (12920, 76716), (13680, 72454), (14535, 68192), (15504, 63930), (17048, 58140), (19179, 51680), (19380, 51144), (21310, 46512), (23256, 42620), (24480, 40489), (25572, 38760), (25840, 38358), (27360, 36227), (29070, 34096), (31008, 31965)]