61402880

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 188742960

約数和(自身を除く): 127340080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 89, 98, 110, 112, 128, 140, 154, 160, 176, 178, 196, 220, 224, 245, 256, 280, 308, 320, 352, 356, 385, 392, 440, 445, 448, 490, 539, 560, 616, 623, 640, 704, 712, 770, 784, 880, 890, 896, 979, 980, 1078, 1120, 1232, 1246, 1280, 1408, 1424, 1540, 1568, 1760, 1780, 1792, 1958, 1960, 2156, 2240, 2464, 2492, 2695, 2816, 2848, 3080, 3115, 3136, 3520, 3560, 3916, 3920, 4312, 4361, 4480, 4895, 4928, 4984, 5390, 5696, 6160, 6230, 6272, 6853, 7040, 7120, 7832, 7840, 8624, 8722, 8960, 9790, 9856, 9968, 10780, 11392, 12320, 12460, 12544, 13706, 14080, 14240, 15664, 15680, 17248, 17444, 19580, 19712, 19936, 21560, 21805, 22784, 24640, 24920, 27412, 28480, 31328, 31360, 34265, 34496, 34888, 39160, 39872, 43120, 43610, 47971, 49280, 49840, 54824, 56960, 62656, 62720, 68530, 68992, 69776, 78320, 79744, 86240, 87220, 95942, 98560, 99680, 109648, 113920, 125312, 137060, 137984, 139552, 156640, 159488, 172480, 174440, 191884, 199360, 219296, 239855, 250624, 274120, 279104, 313280, 344960, 348880, 383768, 398720, 438592, 479710, 548240, 558208, 626560, 689920, 697760, 767536, 797440, 877184, 959420, 1096480, 1116416, 1253120, 1395520, 1535072, 1754368, 1918840, 2192960, 2791040, 3070144, 3837680, 4385920, 5582080, 6140288, 7675360, 8771840, 12280576, 15350720, 30701440, 61402880]

約数ペア:

[(1, 61402880), (2, 30701440), (4, 15350720), (5, 12280576), (7, 8771840), (8, 7675360), (10, 6140288), (11, 5582080), (14, 4385920), (16, 3837680), (20, 3070144), (22, 2791040), (28, 2192960), (32, 1918840), (35, 1754368), (40, 1535072), (44, 1395520), (49, 1253120), (55, 1116416), (56, 1096480), (64, 959420), (70, 877184), (77, 797440), (80, 767536), (88, 697760), (89, 689920), (98, 626560), (110, 558208), (112, 548240), (128, 479710), (140, 438592), (154, 398720), (160, 383768), (176, 348880), (178, 344960), (196, 313280), (220, 279104), (224, 274120), (245, 250624), (256, 239855), (280, 219296), (308, 199360), (320, 191884), (352, 174440), (356, 172480), (385, 159488), (392, 156640), (440, 139552), (445, 137984), (448, 137060), (490, 125312), (539, 113920), (560, 109648), (616, 99680), (623, 98560), (640, 95942), (704, 87220), (712, 86240), (770, 79744), (784, 78320), (880, 69776), (890, 68992), (896, 68530), (979, 62720), (980, 62656), (1078, 56960), (1120, 54824), (1232, 49840), (1246, 49280), (1280, 47971), (1408, 43610), (1424, 43120), (1540, 39872), (1568, 39160), (1760, 34888), (1780, 34496), (1792, 34265), (1958, 31360), (1960, 31328), (2156, 28480), (2240, 27412), (2464, 24920), (2492, 24640), (2695, 22784), (2816, 21805), (2848, 21560), (3080, 19936), (3115, 19712), (3136, 19580), (3520, 17444), (3560, 17248), (3916, 15680), (3920, 15664), (4312, 14240), (4361, 14080), (4480, 13706), (4895, 12544), (4928, 12460), (4984, 12320), (5390, 11392), (5696, 10780), (6160, 9968), (6230, 9856), (6272, 9790), (6853, 8960), (7040, 8722), (7120, 8624), (7832, 7840)]