20218398480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67993}}^1$

素因数の和:68078

約数の個数: 240

約数和(自身を含む): 78916556160

約数和(自身を除く): 58698157680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 59, 60, 63, 70, 72, 80, 84, 90, 105, 112, 118, 120, 126, 140, 144, 168, 177, 180, 210, 236, 240, 252, 280, 295, 315, 336, 354, 360, 413, 420, 472, 504, 531, 560, 590, 630, 708, 720, 826, 840, 885, 944, 1008, 1062, 1180, 1239, 1260, 1416, 1652, 1680, 1770, 2065, 2124, 2360, 2478, 2520, 2655, 2832, 3304, 3540, 3717, 4130, 4248, 4720, 4956, 5040, 5310, 6195, 6608, 7080, 7434, 8260, 8496, 9912, 10620, 12390, 14160, 14868, 16520, 18585, 19824, 21240, 24780, 29736, 33040, 37170, 42480, 49560, 59472, 67993, 74340, 99120, 135986, 148680, 203979, 271972, 297360, 339965, 407958, 475951, 543944, 611937, 679930, 815916, 951902, 1019895, 1087888, 1223874, 1359860, 1427853, 1631832, 1903804, 2039790, 2379755, 2447748, 2719720, 2855706, 3059685, 3263664, 3807608, 4011587, 4079580, 4283559, 4759510, 4895496, 5439440, 5711412, 6119370, 7139265, 7615216, 8023174, 8159160, 8567118, 9519020, 9790992, 11422824, 12034761, 12238740, 14278530, 16046348, 16318320, 17134236, 19038040, 20057935, 21417795, 22845648, 24069522, 24477480, 28081109, 28557060, 32092696, 34268472, 36104283, 38076080, 40115870, 42835590, 48139044, 48954960, 56162218, 57114120, 60173805, 64185392, 68536944, 72208566, 80231740, 84243327, 85671180, 96278088, 112324436, 114228240, 120347610, 140405545, 144417132, 160463480, 168486654, 171342360, 180521415, 192556176, 224648872, 240695220, 252729981, 280811090, 288834264, 320926960, 336973308, 342684720, 361042830, 421216635, 449297744, 481390440, 505459962, 561622180, 577668528, 673946616, 722085660, 842433270, 962780880, 1010919924, 1123244360, 1263649905, 1347893232, 1444171320, 1684866540, 2021839848, 2246488720, 2527299810, 2888342640, 3369733080, 4043679696, 5054599620, 6739466160, 10109199240, 20218398480]

約数ペア:

[(1, 20218398480), (2, 10109199240), (3, 6739466160), (4, 5054599620), (5, 4043679696), (6, 3369733080), (7, 2888342640), (8, 2527299810), (9, 2246488720), (10, 2021839848), (12, 1684866540), (14, 1444171320), (15, 1347893232), (16, 1263649905), (18, 1123244360), (20, 1010919924), (21, 962780880), (24, 842433270), (28, 722085660), (30, 673946616), (35, 577668528), (36, 561622180), (40, 505459962), (42, 481390440), (45, 449297744), (48, 421216635), (56, 361042830), (59, 342684720), (60, 336973308), (63, 320926960), (70, 288834264), (72, 280811090), (80, 252729981), (84, 240695220), (90, 224648872), (105, 192556176), (112, 180521415), (118, 171342360), (120, 168486654), (126, 160463480), (140, 144417132), (144, 140405545), (168, 120347610), (177, 114228240), (180, 112324436), (210, 96278088), (236, 85671180), (240, 84243327), (252, 80231740), (280, 72208566), (295, 68536944), (315, 64185392), (336, 60173805), (354, 57114120), (360, 56162218), (413, 48954960), (420, 48139044), (472, 42835590), (504, 40115870), (531, 38076080), (560, 36104283), (590, 34268472), (630, 32092696), (708, 28557060), (720, 28081109), (826, 24477480), (840, 24069522), (885, 22845648), (944, 21417795), (1008, 20057935), (1062, 19038040), (1180, 17134236), (1239, 16318320), (1260, 16046348), (1416, 14278530), (1652, 12238740), (1680, 12034761), (1770, 11422824), (2065, 9790992), (2124, 9519020), (2360, 8567118), (2478, 8159160), (2520, 8023174), (2655, 7615216), (2832, 7139265), (3304, 6119370), (3540, 5711412), (3717, 5439440), (4130, 4895496), (4248, 4759510), (4720, 4283559), (4956, 4079580), (5040, 4011587), (5310, 3807608), (6195, 3263664), (6608, 3059685), (7080, 2855706), (7434, 2719720), (8260, 2447748), (8496, 2379755), (9912, 2039790), (10620, 1903804), (12390, 1631832), (14160, 1427853), (14868, 1359860), (16520, 1223874), (18585, 1087888), (19824, 1019895), (21240, 951902), (24780, 815916), (29736, 679930), (33040, 611937), (37170, 543944), (42480, 475951), (49560, 407958), (59472, 339965), (67993, 297360), (74340, 271972), (99120, 203979), (135986, 148680)]