2020036480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 256

約数和(自身を含む): 6080832000

約数和(自身を除く): 4060795520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 179, 220, 224, 229, 280, 308, 320, 352, 358, 385, 440, 448, 458, 560, 616, 640, 704, 716, 770, 880, 895, 896, 916, 1120, 1145, 1232, 1253, 1408, 1432, 1540, 1603, 1760, 1790, 1832, 1969, 2240, 2290, 2464, 2506, 2519, 2864, 3080, 3206, 3520, 3580, 3664, 3938, 4480, 4580, 4928, 5012, 5038, 5728, 6160, 6265, 6412, 7040, 7160, 7328, 7876, 8015, 9160, 9845, 9856, 10024, 10076, 11456, 12320, 12530, 12595, 12824, 13783, 14320, 14656, 15752, 16030, 17633, 18320, 19690, 20048, 20152, 22912, 24640, 25060, 25190, 25648, 27566, 28640, 29312, 31504, 32060, 35266, 36640, 39380, 40096, 40304, 40991, 49280, 50120, 50380, 51296, 55132, 57280, 63008, 64120, 68915, 70532, 73280, 78760, 80192, 80608, 81982, 88165, 100240, 100760, 102592, 110264, 114560, 126016, 128240, 137830, 141064, 146560, 157520, 160384, 161216, 163964, 176330, 200480, 201520, 204955, 205184, 220528, 252032, 256480, 275660, 282128, 286937, 315040, 322432, 327928, 352660, 400960, 403040, 409910, 441056, 450901, 512960, 551320, 564256, 573874, 630080, 655856, 705320, 801920, 806080, 819820, 882112, 901802, 1025920, 1102640, 1128512, 1147748, 1260160, 1311712, 1410640, 1434685, 1612160, 1639640, 1764224, 1803604, 2205280, 2254505, 2257024, 2295496, 2623424, 2821280, 2869370, 3156307, 3279280, 3607208, 4410560, 4509010, 4590992, 5246848, 5642560, 5738740, 6312614, 6558560, 7214416, 8821120, 9018020, 9181984, 11285120, 11477480, 12625228, 13117120, 14428832, 15781535, 18036040, 18363968, 22954960, 25250456, 26234240, 28857664, 31563070, 36072080, 36727936, 45909920, 50500912, 57715328, 63126140, 72144160, 91819840, 101001824, 126252280, 144288320, 183639680, 202003648, 252504560, 288576640, 404007296, 505009120, 1010018240, 2020036480]

約数ペア:

[(1, 2020036480), (2, 1010018240), (4, 505009120), (5, 404007296), (7, 288576640), (8, 252504560), (10, 202003648), (11, 183639680), (14, 144288320), (16, 126252280), (20, 101001824), (22, 91819840), (28, 72144160), (32, 63126140), (35, 57715328), (40, 50500912), (44, 45909920), (55, 36727936), (56, 36072080), (64, 31563070), (70, 28857664), (77, 26234240), (80, 25250456), (88, 22954960), (110, 18363968), (112, 18036040), (128, 15781535), (140, 14428832), (154, 13117120), (160, 12625228), (176, 11477480), (179, 11285120), (220, 9181984), (224, 9018020), (229, 8821120), (280, 7214416), (308, 6558560), (320, 6312614), (352, 5738740), (358, 5642560), (385, 5246848), (440, 4590992), (448, 4509010), (458, 4410560), (560, 3607208), (616, 3279280), (640, 3156307), (704, 2869370), (716, 2821280), (770, 2623424), (880, 2295496), (895, 2257024), (896, 2254505), (916, 2205280), (1120, 1803604), (1145, 1764224), (1232, 1639640), (1253, 1612160), (1408, 1434685), (1432, 1410640), (1540, 1311712), (1603, 1260160), (1760, 1147748), (1790, 1128512), (1832, 1102640), (1969, 1025920), (2240, 901802), (2290, 882112), (2464, 819820), (2506, 806080), (2519, 801920), (2864, 705320), (3080, 655856), (3206, 630080), (3520, 573874), (3580, 564256), (3664, 551320), (3938, 512960), (4480, 450901), (4580, 441056), (4928, 409910), (5012, 403040), (5038, 400960), (5728, 352660), (6160, 327928), (6265, 322432), (6412, 315040), (7040, 286937), (7160, 282128), (7328, 275660), (7876, 256480), (8015, 252032), (9160, 220528), (9845, 205184), (9856, 204955), (10024, 201520), (10076, 200480), (11456, 176330), (12320, 163964), (12530, 161216), (12595, 160384), (12824, 157520), (13783, 146560), (14320, 141064), (14656, 137830), (15752, 128240), (16030, 126016), (17633, 114560), (18320, 110264), (19690, 102592), (20048, 100760), (20152, 100240), (22912, 88165), (24640, 81982), (25060, 80608), (25190, 80192), (25648, 78760), (27566, 73280), (28640, 70532), (29312, 68915), (31504, 64120), (32060, 63008), (35266, 57280), (36640, 55132), (39380, 51296), (40096, 50380), (40304, 50120), (40991, 49280)]