79801920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 252

約数和(自身を含む): 303024540

約数和(自身を除く): 223222620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 192, 198, 220, 229, 240, 242, 264, 288, 320, 330, 352, 360, 363, 396, 440, 458, 480, 484, 495, 528, 576, 605, 660, 687, 704, 720, 726, 792, 880, 916, 960, 968, 990, 1056, 1089, 1145, 1210, 1320, 1374, 1440, 1452, 1584, 1760, 1815, 1832, 1936, 1980, 2061, 2112, 2178, 2290, 2420, 2519, 2640, 2748, 2880, 2904, 3168, 3435, 3520, 3630, 3664, 3872, 3960, 4122, 4356, 4580, 4840, 5038, 5280, 5445, 5496, 5808, 6336, 6870, 7260, 7328, 7557, 7744, 7920, 8244, 8712, 9160, 9680, 10076, 10305, 10560, 10890, 10992, 11616, 12595, 13740, 14520, 14656, 15114, 15840, 16488, 17424, 18320, 19360, 20152, 20610, 21780, 21984, 22671, 23232, 25190, 27480, 27709, 29040, 30228, 31680, 32976, 34848, 36640, 37785, 38720, 40304, 41220, 43560, 43968, 45342, 50380, 54960, 55418, 58080, 60456, 65952, 69696, 73280, 75570, 80608, 82440, 83127, 87120, 90684, 100760, 109920, 110836, 113355, 116160, 120912, 131904, 138545, 151140, 161216, 164880, 166254, 174240, 181368, 201520, 219840, 221672, 226710, 241824, 249381, 277090, 302280, 329760, 332508, 348480, 362736, 403040, 415635, 443344, 453420, 483648, 498762, 554180, 604560, 659520, 665016, 725472, 806080, 831270, 886688, 906840, 997524, 1108360, 1209120, 1246905, 1330032, 1450944, 1662540, 1773376, 1813680, 1995048, 2216720, 2418240, 2493810, 2660064, 3325080, 3627360, 3990096, 4433440, 4987620, 5320128, 6650160, 7254720, 7980192, 8866880, 9975240, 13300320, 15960384, 19950480, 26600640, 39900960, 79801920]

約数ペア:

[(1, 79801920), (2, 39900960), (3, 26600640), (4, 19950480), (5, 15960384), (6, 13300320), (8, 9975240), (9, 8866880), (10, 7980192), (11, 7254720), (12, 6650160), (15, 5320128), (16, 4987620), (18, 4433440), (20, 3990096), (22, 3627360), (24, 3325080), (30, 2660064), (32, 2493810), (33, 2418240), (36, 2216720), (40, 1995048), (44, 1813680), (45, 1773376), (48, 1662540), (55, 1450944), (60, 1330032), (64, 1246905), (66, 1209120), (72, 1108360), (80, 997524), (88, 906840), (90, 886688), (96, 831270), (99, 806080), (110, 725472), (120, 665016), (121, 659520), (132, 604560), (144, 554180), (160, 498762), (165, 483648), (176, 453420), (180, 443344), (192, 415635), (198, 403040), (220, 362736), (229, 348480), (240, 332508), (242, 329760), (264, 302280), (288, 277090), (320, 249381), (330, 241824), (352, 226710), (360, 221672), (363, 219840), (396, 201520), (440, 181368), (458, 174240), (480, 166254), (484, 164880), (495, 161216), (528, 151140), (576, 138545), (605, 131904), (660, 120912), (687, 116160), (704, 113355), (720, 110836), (726, 109920), (792, 100760), (880, 90684), (916, 87120), (960, 83127), (968, 82440), (990, 80608), (1056, 75570), (1089, 73280), (1145, 69696), (1210, 65952), (1320, 60456), (1374, 58080), (1440, 55418), (1452, 54960), (1584, 50380), (1760, 45342), (1815, 43968), (1832, 43560), (1936, 41220), (1980, 40304), (2061, 38720), (2112, 37785), (2178, 36640), (2290, 34848), (2420, 32976), (2519, 31680), (2640, 30228), (2748, 29040), (2880, 27709), (2904, 27480), (3168, 25190), (3435, 23232), (3520, 22671), (3630, 21984), (3664, 21780), (3872, 20610), (3960, 20152), (4122, 19360), (4356, 18320), (4580, 17424), (4840, 16488), (5038, 15840), (5280, 15114), (5445, 14656), (5496, 14520), (5808, 13740), (6336, 12595), (6870, 11616), (7260, 10992), (7328, 10890), (7557, 10560), (7744, 10305), (7920, 10076), (8244, 9680), (8712, 9160)]