247921440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 192

約数和(自身を含む): 855017856

約数和(自身を除く): 607096416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 67, 78, 80, 96, 104, 120, 130, 134, 156, 160, 195, 201, 208, 240, 260, 268, 312, 335, 390, 402, 416, 480, 520, 536, 593, 624, 670, 780, 804, 871, 1005, 1040, 1072, 1186, 1248, 1340, 1560, 1608, 1742, 1779, 2010, 2080, 2144, 2372, 2613, 2680, 2965, 3120, 3216, 3484, 3558, 4020, 4355, 4744, 5226, 5360, 5930, 6240, 6432, 6968, 7116, 7709, 8040, 8710, 8895, 9488, 10452, 10720, 11860, 13065, 13936, 14232, 15418, 16080, 17420, 17790, 18976, 20904, 23127, 23720, 26130, 27872, 28464, 30836, 32160, 34840, 35580, 38545, 39731, 41808, 46254, 47440, 52260, 56928, 61672, 69680, 71160, 77090, 79462, 83616, 92508, 94880, 104520, 115635, 119193, 123344, 139360, 142320, 154180, 158924, 185016, 198655, 209040, 231270, 238386, 246688, 284640, 308360, 317848, 370032, 397310, 418080, 462540, 476772, 516503, 595965, 616720, 635696, 740064, 794620, 925080, 953544, 1033006, 1191930, 1233440, 1271392, 1549509, 1589240, 1850160, 1907088, 2066012, 2383860, 2582515, 3099018, 3178480, 3700320, 3814176, 4132024, 4767720, 5165030, 6198036, 6356960, 7747545, 8264048, 9535440, 10330060, 12396072, 15495090, 16528096, 19070880, 20660120, 24792144, 30990180, 41320240, 49584288, 61980360, 82640480, 123960720, 247921440]

約数ペア:

[(1, 247921440), (2, 123960720), (3, 82640480), (4, 61980360), (5, 49584288), (6, 41320240), (8, 30990180), (10, 24792144), (12, 20660120), (13, 19070880), (15, 16528096), (16, 15495090), (20, 12396072), (24, 10330060), (26, 9535440), (30, 8264048), (32, 7747545), (39, 6356960), (40, 6198036), (48, 5165030), (52, 4767720), (60, 4132024), (65, 3814176), (67, 3700320), (78, 3178480), (80, 3099018), (96, 2582515), (104, 2383860), (120, 2066012), (130, 1907088), (134, 1850160), (156, 1589240), (160, 1549509), (195, 1271392), (201, 1233440), (208, 1191930), (240, 1033006), (260, 953544), (268, 925080), (312, 794620), (335, 740064), (390, 635696), (402, 616720), (416, 595965), (480, 516503), (520, 476772), (536, 462540), (593, 418080), (624, 397310), (670, 370032), (780, 317848), (804, 308360), (871, 284640), (1005, 246688), (1040, 238386), (1072, 231270), (1186, 209040), (1248, 198655), (1340, 185016), (1560, 158924), (1608, 154180), (1742, 142320), (1779, 139360), (2010, 123344), (2080, 119193), (2144, 115635), (2372, 104520), (2613, 94880), (2680, 92508), (2965, 83616), (3120, 79462), (3216, 77090), (3484, 71160), (3558, 69680), (4020, 61672), (4355, 56928), (4744, 52260), (5226, 47440), (5360, 46254), (5930, 41808), (6240, 39731), (6432, 38545), (6968, 35580), (7116, 34840), (7709, 32160), (8040, 30836), (8710, 28464), (8895, 27872), (9488, 26130), (10452, 23720), (10720, 23127), (11860, 20904), (13065, 18976), (13936, 17790), (14232, 17420), (15418, 16080)]