823661580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{997}}^1$

素因数の和:1304

約数の個数: 144

約数和(自身を含む): 2695031136

約数和(自身を除く): 1871369556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 281, 294, 420, 490, 562, 588, 735, 843, 980, 997, 1124, 1405, 1470, 1686, 1967, 1994, 2810, 2940, 2991, 3372, 3934, 3988, 4215, 4985, 5620, 5901, 5982, 6979, 7868, 8430, 9835, 9970, 11802, 11964, 13769, 13958, 14955, 16860, 19670, 19940, 20937, 23604, 27538, 27916, 29505, 29910, 34895, 39340, 41307, 41874, 48853, 55076, 59010, 59820, 68845, 69790, 82614, 83748, 97706, 104685, 118020, 137690, 139580, 146559, 165228, 195412, 206535, 209370, 244265, 275380, 280157, 293118, 413070, 418740, 488530, 560314, 586236, 732795, 826140, 840471, 977060, 1120628, 1400785, 1465590, 1680942, 1961099, 2801570, 2931180, 3361884, 3922198, 4202355, 5603140, 5883297, 7844396, 8404710, 9805495, 11766594, 13727693, 16809420, 19610990, 23533188, 27455386, 29416485, 39221980, 41183079, 54910772, 58832970, 68638465, 82366158, 117665940, 137276930, 164732316, 205915395, 274553860, 411830790, 823661580]

約数ペア:

[(1, 823661580), (2, 411830790), (3, 274553860), (4, 205915395), (5, 164732316), (6, 137276930), (7, 117665940), (10, 82366158), (12, 68638465), (14, 58832970), (15, 54910772), (20, 41183079), (21, 39221980), (28, 29416485), (30, 27455386), (35, 23533188), (42, 19610990), (49, 16809420), (60, 13727693), (70, 11766594), (84, 9805495), (98, 8404710), (105, 7844396), (140, 5883297), (147, 5603140), (196, 4202355), (210, 3922198), (245, 3361884), (281, 2931180), (294, 2801570), (420, 1961099), (490, 1680942), (562, 1465590), (588, 1400785), (735, 1120628), (843, 977060), (980, 840471), (997, 826140), (1124, 732795), (1405, 586236), (1470, 560314), (1686, 488530), (1967, 418740), (1994, 413070), (2810, 293118), (2940, 280157), (2991, 275380), (3372, 244265), (3934, 209370), (3988, 206535), (4215, 195412), (4985, 165228), (5620, 146559), (5901, 139580), (5982, 137690), (6979, 118020), (7868, 104685), (8430, 97706), (9835, 83748), (9970, 82614), (11802, 69790), (11964, 68845), (13769, 59820), (13958, 59010), (14955, 55076), (16860, 48853), (19670, 41874), (19940, 41307), (20937, 39340), (23604, 34895), (27538, 29910), (27916, 29505)]