78980400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 240

約数和(自身を含む): 287838720

約数和(自身を除く): 208858320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 71, 72, 75, 80, 90, 100, 103, 108, 120, 135, 142, 144, 150, 180, 200, 206, 213, 216, 225, 240, 270, 284, 300, 309, 355, 360, 400, 412, 426, 432, 450, 515, 540, 568, 600, 618, 639, 675, 710, 720, 824, 852, 900, 927, 1030, 1065, 1080, 1136, 1200, 1236, 1278, 1350, 1420, 1545, 1648, 1704, 1775, 1800, 1854, 1917, 2060, 2130, 2160, 2472, 2556, 2575, 2700, 2781, 2840, 3090, 3195, 3408, 3550, 3600, 3708, 3834, 4120, 4260, 4635, 4944, 5112, 5150, 5325, 5400, 5562, 5680, 6180, 6390, 7100, 7313, 7416, 7668, 7725, 8240, 8520, 9270, 9585, 10224, 10300, 10650, 10800, 11124, 12360, 12780, 13905, 14200, 14626, 14832, 15336, 15450, 15975, 17040, 18540, 19170, 20600, 21300, 21939, 22248, 23175, 24720, 25560, 27810, 28400, 29252, 30672, 30900, 31950, 36565, 37080, 38340, 41200, 42600, 43878, 44496, 46350, 47925, 51120, 55620, 58504, 61800, 63900, 65817, 69525, 73130, 74160, 76680, 85200, 87756, 92700, 95850, 109695, 111240, 117008, 123600, 127800, 131634, 139050, 146260, 153360, 175512, 182825, 185400, 191700, 197451, 219390, 222480, 255600, 263268, 278100, 292520, 329085, 351024, 365650, 370800, 383400, 394902, 438780, 526536, 548475, 556200, 585040, 658170, 731300, 766800, 789804, 877560, 987255, 1053072, 1096950, 1112400, 1316340, 1462600, 1579608, 1645425, 1755120, 1974510, 2193900, 2632680, 2925200, 3159216, 3290850, 3949020, 4387800, 4936275, 5265360, 6581700, 7898040, 8775600, 9872550, 13163400, 15796080, 19745100, 26326800, 39490200, 78980400]

約数ペア:

[(1, 78980400), (2, 39490200), (3, 26326800), (4, 19745100), (5, 15796080), (6, 13163400), (8, 9872550), (9, 8775600), (10, 7898040), (12, 6581700), (15, 5265360), (16, 4936275), (18, 4387800), (20, 3949020), (24, 3290850), (25, 3159216), (27, 2925200), (30, 2632680), (36, 2193900), (40, 1974510), (45, 1755120), (48, 1645425), (50, 1579608), (54, 1462600), (60, 1316340), (71, 1112400), (72, 1096950), (75, 1053072), (80, 987255), (90, 877560), (100, 789804), (103, 766800), (108, 731300), (120, 658170), (135, 585040), (142, 556200), (144, 548475), (150, 526536), (180, 438780), (200, 394902), (206, 383400), (213, 370800), (216, 365650), (225, 351024), (240, 329085), (270, 292520), (284, 278100), (300, 263268), (309, 255600), (355, 222480), (360, 219390), (400, 197451), (412, 191700), (426, 185400), (432, 182825), (450, 175512), (515, 153360), (540, 146260), (568, 139050), (600, 131634), (618, 127800), (639, 123600), (675, 117008), (710, 111240), (720, 109695), (824, 95850), (852, 92700), (900, 87756), (927, 85200), (1030, 76680), (1065, 74160), (1080, 73130), (1136, 69525), (1200, 65817), (1236, 63900), (1278, 61800), (1350, 58504), (1420, 55620), (1545, 51120), (1648, 47925), (1704, 46350), (1775, 44496), (1800, 43878), (1854, 42600), (1917, 41200), (2060, 38340), (2130, 37080), (2160, 36565), (2472, 31950), (2556, 30900), (2575, 30672), (2700, 29252), (2781, 28400), (2840, 27810), (3090, 25560), (3195, 24720), (3408, 23175), (3550, 22248), (3600, 21939), (3708, 21300), (3834, 20600), (4120, 19170), (4260, 18540), (4635, 17040), (4944, 15975), (5112, 15450), (5150, 15336), (5325, 14832), (5400, 14626), (5562, 14200), (5680, 13905), (6180, 12780), (6390, 12360), (7100, 11124), (7313, 10800), (7416, 10650), (7668, 10300), (7725, 10224), (8240, 9585), (8520, 9270)]