648838260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1229}}^1$

素因数の和:1670

約数の個数: 144

約数和(自身を含む): 2256508800

約数和(自身を除く): 1607670540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 419, 420, 630, 838, 1229, 1257, 1260, 1676, 2095, 2458, 2514, 2933, 3687, 3771, 4190, 4916, 5028, 5866, 6145, 6285, 7374, 7542, 8380, 8603, 8799, 11061, 11732, 12290, 12570, 14665, 14748, 15084, 17206, 17598, 18435, 18855, 22122, 24580, 25140, 25809, 26397, 29330, 34412, 35196, 36870, 37710, 43015, 43995, 44244, 51618, 52794, 55305, 58660, 73740, 75420, 77427, 86030, 87990, 103236, 105588, 110610, 129045, 131985, 154854, 172060, 175980, 221220, 258090, 263970, 309708, 387135, 514951, 516180, 527940, 774270, 1029902, 1544853, 1548540, 2059804, 2574755, 3089706, 3604657, 4634559, 5149510, 6179412, 7209314, 7724265, 9269118, 10299020, 10813971, 14418628, 15448530, 18023285, 18538236, 21627942, 23172795, 30897060, 32441913, 36046570, 43255884, 46345590, 54069855, 64883826, 72093140, 92691180, 108139710, 129767652, 162209565, 216279420, 324419130, 648838260]

約数ペア:

[(1, 648838260), (2, 324419130), (3, 216279420), (4, 162209565), (5, 129767652), (6, 108139710), (7, 92691180), (9, 72093140), (10, 64883826), (12, 54069855), (14, 46345590), (15, 43255884), (18, 36046570), (20, 32441913), (21, 30897060), (28, 23172795), (30, 21627942), (35, 18538236), (36, 18023285), (42, 15448530), (45, 14418628), (60, 10813971), (63, 10299020), (70, 9269118), (84, 7724265), (90, 7209314), (105, 6179412), (126, 5149510), (140, 4634559), (180, 3604657), (210, 3089706), (252, 2574755), (315, 2059804), (419, 1548540), (420, 1544853), (630, 1029902), (838, 774270), (1229, 527940), (1257, 516180), (1260, 514951), (1676, 387135), (2095, 309708), (2458, 263970), (2514, 258090), (2933, 221220), (3687, 175980), (3771, 172060), (4190, 154854), (4916, 131985), (5028, 129045), (5866, 110610), (6145, 105588), (6285, 103236), (7374, 87990), (7542, 86030), (8380, 77427), (8603, 75420), (8799, 73740), (11061, 58660), (11732, 55305), (12290, 52794), (12570, 51618), (14665, 44244), (14748, 43995), (15084, 43015), (17206, 37710), (17598, 36870), (18435, 35196), (18855, 34412), (22122, 29330), (24580, 26397), (25140, 25809)]