1281124920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 3911846400

約数和(自身を除く): 2630721480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 293, 332, 415, 439, 498, 586, 664, 830, 878, 879, 996, 1172, 1245, 1317, 1465, 1660, 1756, 1758, 1992, 2195, 2344, 2490, 2634, 2930, 3320, 3512, 3516, 4390, 4395, 4980, 5268, 5860, 6585, 7032, 8780, 8790, 9960, 10536, 11720, 13170, 17560, 17580, 24319, 26340, 35160, 36437, 48638, 52680, 72874, 72957, 97276, 109311, 121595, 128627, 145748, 145914, 182185, 194552, 218622, 243190, 257254, 291496, 291828, 364370, 364785, 385881, 437244, 486380, 514508, 546555, 583656, 643135, 728740, 729570, 771762, 874488, 972760, 1029016, 1093110, 1286270, 1457480, 1459140, 1543524, 1929405, 2186220, 2572540, 2918280, 3087048, 3858810, 4372440, 5145080, 7717620, 10676041, 15435240, 21352082, 32028123, 42704164, 53380205, 64056246, 85408328, 106760410, 128112492, 160140615, 213520820, 256224984, 320281230, 427041640, 640562460, 1281124920]

約数ペア:

[(1, 1281124920), (2, 640562460), (3, 427041640), (4, 320281230), (5, 256224984), (6, 213520820), (8, 160140615), (10, 128112492), (12, 106760410), (15, 85408328), (20, 64056246), (24, 53380205), (30, 42704164), (40, 32028123), (60, 21352082), (83, 15435240), (120, 10676041), (166, 7717620), (249, 5145080), (293, 4372440), (332, 3858810), (415, 3087048), (439, 2918280), (498, 2572540), (586, 2186220), (664, 1929405), (830, 1543524), (878, 1459140), (879, 1457480), (996, 1286270), (1172, 1093110), (1245, 1029016), (1317, 972760), (1465, 874488), (1660, 771762), (1756, 729570), (1758, 728740), (1992, 643135), (2195, 583656), (2344, 546555), (2490, 514508), (2634, 486380), (2930, 437244), (3320, 385881), (3512, 364785), (3516, 364370), (4390, 291828), (4395, 291496), (4980, 257254), (5268, 243190), (5860, 218622), (6585, 194552), (7032, 182185), (8780, 145914), (8790, 145748), (9960, 128627), (10536, 121595), (11720, 109311), (13170, 97276), (17560, 72957), (17580, 72874), (24319, 52680), (26340, 48638), (35160, 36437)]