20539920240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{6781}}^1$

素因数の和:7408

約数の個数: 240

約数和(自身を含む): 78976986816

約数和(自身を除く): 58437066576

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, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 601, 630, 720, 840, 1008, 1202, 1260, 1680, 1803, 2404, 2520, 3005, 3606, 4207, 4808, 5040, 5409, 6010, 6781, 7212, 8414, 9015, 9616, 10818, 12020, 12621, 13562, 14424, 16828, 18030, 20343, 21035, 21636, 24040, 25242, 27045, 27124, 28848, 33656, 33905, 36060, 37863, 40686, 42070, 43272, 47467, 48080, 50484, 54090, 54248, 61029, 63105, 67312, 67810, 72120, 75726, 81372, 84140, 86544, 94934, 100968, 101715, 108180, 108496, 122058, 126210, 135620, 142401, 144240, 151452, 162744, 168280, 189315, 189868, 201936, 203430, 216360, 237335, 244116, 252420, 271240, 284802, 302904, 305145, 325488, 336560, 378630, 379736, 406860, 427203, 432720, 474670, 488232, 504840, 542480, 569604, 605808, 610290, 712005, 757260, 759472, 813720, 854406, 949340, 976464, 1009680, 1139208, 1220580, 1424010, 1514520, 1627440, 1708812, 1898680, 2136015, 2278416, 2441160, 2848020, 3029040, 3417624, 3797360, 4075381, 4272030, 4882320, 5696040, 6835248, 8150762, 8544060, 11392080, 12226143, 16301524, 17088120, 20376905, 24452286, 28527667, 32603048, 34176240, 36678429, 40753810, 48904572, 57055334, 61130715, 65206096, 73356858, 81507620, 85583001, 97809144, 114110668, 122261430, 142638335, 146713716, 163015240, 171166002, 183392145, 195618288, 228221336, 244522860, 256749003, 285276670, 293427432, 326030480, 342332004, 366784290, 427915005, 456442672, 489045720, 513498006, 570553340, 586854864, 684664008, 733568580, 855830010, 978091440, 1026996012, 1141106680, 1283745015, 1369328016, 1467137160, 1711660020, 2053992024, 2282213360, 2567490030, 2934274320, 3423320040, 4107984048, 5134980060, 6846640080, 10269960120, 20539920240]

約数ペア:

[(1, 20539920240), (2, 10269960120), (3, 6846640080), (4, 5134980060), (5, 4107984048), (6, 3423320040), (7, 2934274320), (8, 2567490030), (9, 2282213360), (10, 2053992024), (12, 1711660020), (14, 1467137160), (15, 1369328016), (16, 1283745015), (18, 1141106680), (20, 1026996012), (21, 978091440), (24, 855830010), (28, 733568580), (30, 684664008), (35, 586854864), (36, 570553340), (40, 513498006), (42, 489045720), (45, 456442672), (48, 427915005), (56, 366784290), (60, 342332004), (63, 326030480), (70, 293427432), (72, 285276670), (80, 256749003), (84, 244522860), (90, 228221336), (105, 195618288), (112, 183392145), (120, 171166002), (126, 163015240), (140, 146713716), (144, 142638335), (168, 122261430), (180, 114110668), (210, 97809144), (240, 85583001), (252, 81507620), (280, 73356858), (315, 65206096), (336, 61130715), (360, 57055334), (420, 48904572), (504, 40753810), (560, 36678429), (601, 34176240), (630, 32603048), (720, 28527667), (840, 24452286), (1008, 20376905), (1202, 17088120), (1260, 16301524), (1680, 12226143), (1803, 11392080), (2404, 8544060), (2520, 8150762), (3005, 6835248), (3606, 5696040), (4207, 4882320), (4808, 4272030), (5040, 4075381), (5409, 3797360), (6010, 3417624), (6781, 3029040), (7212, 2848020), (8414, 2441160), (9015, 2278416), (9616, 2136015), (10818, 1898680), (12020, 1708812), (12621, 1627440), (13562, 1514520), (14424, 1424010), (16828, 1220580), (18030, 1139208), (20343, 1009680), (21035, 976464), (21636, 949340), (24040, 854406), (25242, 813720), (27045, 759472), (27124, 757260), (28848, 712005), (33656, 610290), (33905, 605808), (36060, 569604), (37863, 542480), (40686, 504840), (42070, 488232), (43272, 474670), (47467, 432720), (48080, 427203), (50484, 406860), (54090, 379736), (54248, 378630), (61029, 336560), (63105, 325488), (67312, 305145), (67810, 302904), (72120, 284802), (75726, 271240), (81372, 252420), (84140, 244116), (86544, 237335), (94934, 216360), (100968, 203430), (101715, 201936), (108180, 189868), (108496, 189315), (122058, 168280), (126210, 162744), (135620, 151452), (142401, 144240)]