20435790720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11287}}^1$

素因数の和:11373

約数の個数: 256

約数和(自身を含む): 69635220480

約数和(自身を除く): 49199429760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 64, 69, 80, 82, 92, 96, 115, 120, 123, 128, 138, 160, 164, 184, 192, 205, 230, 240, 246, 276, 320, 328, 345, 368, 384, 410, 460, 480, 492, 552, 615, 640, 656, 690, 736, 820, 920, 943, 960, 984, 1104, 1230, 1312, 1380, 1472, 1640, 1840, 1886, 1920, 1968, 2208, 2460, 2624, 2760, 2829, 2944, 3280, 3680, 3772, 3936, 4416, 4715, 4920, 5248, 5520, 5658, 6560, 7360, 7544, 7872, 8832, 9430, 9840, 11040, 11287, 11316, 13120, 14145, 14720, 15088, 15744, 18860, 19680, 22080, 22574, 22632, 26240, 28290, 30176, 33861, 37720, 39360, 44160, 45148, 45264, 56435, 56580, 60352, 67722, 75440, 78720, 90296, 90528, 112870, 113160, 120704, 135444, 150880, 169305, 180592, 181056, 225740, 226320, 259601, 270888, 301760, 338610, 361184, 362112, 451480, 452640, 462767, 519202, 541776, 603520, 677220, 722368, 778803, 902960, 905280, 925534, 1038404, 1083552, 1298005, 1354440, 1388301, 1444736, 1557606, 1805920, 1810560, 1851068, 2076808, 2167104, 2313835, 2596010, 2708880, 2776602, 3115212, 3611840, 3702136, 3894015, 4153616, 4334208, 4627670, 5192020, 5417760, 5553204, 6230424, 6941505, 7223680, 7404272, 7788030, 8307232, 9255340, 10384040, 10643641, 10835520, 11106408, 12460848, 13883010, 14808544, 15576060, 16614464, 18510680, 20768080, 21287282, 21671040, 22212816, 24921696, 27766020, 29617088, 31152120, 31930923, 33228928, 37021360, 41536160, 42574564, 44425632, 49843392, 53218205, 55532040, 59234176, 62304240, 63861846, 74042720, 83072320, 85149128, 88851264, 99686784, 106436410, 111064080, 124608480, 127723692, 148085440, 159654615, 166144640, 170298256, 177702528, 212872820, 222128160, 249216960, 255447384, 296170880, 319309230, 340596512, 425745640, 444256320, 498433920, 510894768, 638618460, 681193024, 851491280, 888512640, 1021789536, 1277236920, 1362386048, 1702982560, 2043579072, 2554473840, 3405965120, 4087158144, 5108947680, 6811930240, 10217895360, 20435790720]

約数ペア:

[(1, 20435790720), (2, 10217895360), (3, 6811930240), (4, 5108947680), (5, 4087158144), (6, 3405965120), (8, 2554473840), (10, 2043579072), (12, 1702982560), (15, 1362386048), (16, 1277236920), (20, 1021789536), (23, 888512640), (24, 851491280), (30, 681193024), (32, 638618460), (40, 510894768), (41, 498433920), (46, 444256320), (48, 425745640), (60, 340596512), (64, 319309230), (69, 296170880), (80, 255447384), (82, 249216960), (92, 222128160), (96, 212872820), (115, 177702528), (120, 170298256), (123, 166144640), (128, 159654615), (138, 148085440), (160, 127723692), (164, 124608480), (184, 111064080), (192, 106436410), (205, 99686784), (230, 88851264), (240, 85149128), (246, 83072320), (276, 74042720), (320, 63861846), (328, 62304240), (345, 59234176), (368, 55532040), (384, 53218205), (410, 49843392), (460, 44425632), (480, 42574564), (492, 41536160), (552, 37021360), (615, 33228928), (640, 31930923), (656, 31152120), (690, 29617088), (736, 27766020), (820, 24921696), (920, 22212816), (943, 21671040), (960, 21287282), (984, 20768080), (1104, 18510680), (1230, 16614464), (1312, 15576060), (1380, 14808544), (1472, 13883010), (1640, 12460848), (1840, 11106408), (1886, 10835520), (1920, 10643641), (1968, 10384040), (2208, 9255340), (2460, 8307232), (2624, 7788030), (2760, 7404272), (2829, 7223680), (2944, 6941505), (3280, 6230424), (3680, 5553204), (3772, 5417760), (3936, 5192020), (4416, 4627670), (4715, 4334208), (4920, 4153616), (5248, 3894015), (5520, 3702136), (5658, 3611840), (6560, 3115212), (7360, 2776602), (7544, 2708880), (7872, 2596010), (8832, 2313835), (9430, 2167104), (9840, 2076808), (11040, 1851068), (11287, 1810560), (11316, 1805920), (13120, 1557606), (14145, 1444736), (14720, 1388301), (15088, 1354440), (15744, 1298005), (18860, 1083552), (19680, 1038404), (22080, 925534), (22574, 905280), (22632, 902960), (26240, 778803), (28290, 722368), (30176, 677220), (33861, 603520), (37720, 541776), (39360, 519202), (44160, 462767), (45148, 452640), (45264, 451480), (56435, 362112), (56580, 361184), (60352, 338610), (67722, 301760), (75440, 270888), (78720, 259601), (90296, 226320), (90528, 225740), (112870, 181056), (113160, 180592), (120704, 169305), (135444, 150880)]