81407040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:637

約数の個数: 224

約数和(自身を含む): 304166016

約数和(自身を除く): 222758976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 260, 264, 286, 312, 320, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 593, 624, 660, 704, 715, 780, 832, 858, 880, 960, 1040, 1056, 1144, 1186, 1248, 1320, 1430, 1560, 1716, 1760, 1779, 2080, 2112, 2145, 2288, 2372, 2496, 2640, 2860, 2965, 3120, 3432, 3520, 3558, 4160, 4290, 4576, 4744, 5280, 5720, 5930, 6240, 6523, 6864, 7116, 7709, 8580, 8895, 9152, 9488, 10560, 11440, 11860, 12480, 13046, 13728, 14232, 15418, 17160, 17790, 18976, 19569, 22880, 23127, 23720, 26092, 27456, 28464, 30836, 32615, 34320, 35580, 37952, 38545, 39138, 45760, 46254, 47440, 52184, 56928, 61672, 65230, 68640, 71160, 77090, 78276, 84799, 92508, 94880, 97845, 104368, 113856, 115635, 123344, 130460, 137280, 142320, 154180, 156552, 169598, 185016, 189760, 195690, 208736, 231270, 246688, 254397, 260920, 284640, 308360, 313104, 339196, 370032, 391380, 417472, 423995, 462540, 493376, 508794, 521840, 569280, 616720, 626208, 678392, 740064, 782760, 847990, 925080, 1017588, 1043680, 1233440, 1252416, 1271985, 1356784, 1480128, 1565520, 1695980, 1850160, 2035176, 2087360, 2466880, 2543970, 2713568, 3131040, 3391960, 3700320, 4070352, 5087940, 5427136, 6262080, 6783920, 7400640, 8140704, 10175880, 13567840, 16281408, 20351760, 27135680, 40703520, 81407040]

約数ペア:

[(1, 81407040), (2, 40703520), (3, 27135680), (4, 20351760), (5, 16281408), (6, 13567840), (8, 10175880), (10, 8140704), (11, 7400640), (12, 6783920), (13, 6262080), (15, 5427136), (16, 5087940), (20, 4070352), (22, 3700320), (24, 3391960), (26, 3131040), (30, 2713568), (32, 2543970), (33, 2466880), (39, 2087360), (40, 2035176), (44, 1850160), (48, 1695980), (52, 1565520), (55, 1480128), (60, 1356784), (64, 1271985), (65, 1252416), (66, 1233440), (78, 1043680), (80, 1017588), (88, 925080), (96, 847990), (104, 782760), (110, 740064), (120, 678392), (130, 626208), (132, 616720), (143, 569280), (156, 521840), (160, 508794), (165, 493376), (176, 462540), (192, 423995), (195, 417472), (208, 391380), (220, 370032), (240, 339196), (260, 313104), (264, 308360), (286, 284640), (312, 260920), (320, 254397), (330, 246688), (352, 231270), (390, 208736), (416, 195690), (429, 189760), (440, 185016), (480, 169598), (520, 156552), (528, 154180), (572, 142320), (593, 137280), (624, 130460), (660, 123344), (704, 115635), (715, 113856), (780, 104368), (832, 97845), (858, 94880), (880, 92508), (960, 84799), (1040, 78276), (1056, 77090), (1144, 71160), (1186, 68640), (1248, 65230), (1320, 61672), (1430, 56928), (1560, 52184), (1716, 47440), (1760, 46254), (1779, 45760), (2080, 39138), (2112, 38545), (2145, 37952), (2288, 35580), (2372, 34320), (2496, 32615), (2640, 30836), (2860, 28464), (2965, 27456), (3120, 26092), (3432, 23720), (3520, 23127), (3558, 22880), (4160, 19569), (4290, 18976), (4576, 17790), (4744, 17160), (5280, 15418), (5720, 14232), (5930, 13728), (6240, 13046), (6523, 12480), (6864, 11860), (7116, 11440), (7709, 10560), (8580, 9488), (8895, 9152)]