81165700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 223985664

約数和(自身を除く): 142819964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 83, 100, 110, 127, 140, 154, 166, 175, 220, 254, 275, 308, 332, 350, 385, 415, 508, 550, 581, 635, 700, 770, 830, 889, 913, 1100, 1162, 1270, 1397, 1540, 1660, 1778, 1826, 1925, 2075, 2324, 2540, 2794, 2905, 3175, 3556, 3652, 3850, 4150, 4445, 4565, 5588, 5810, 6350, 6391, 6985, 7700, 8300, 8890, 9130, 9779, 10541, 11620, 12700, 12782, 13970, 14525, 17780, 18260, 19558, 21082, 22225, 22825, 25564, 27940, 29050, 31955, 34925, 39116, 42164, 44450, 45650, 48895, 52705, 58100, 63910, 69850, 73787, 88900, 91300, 97790, 105410, 115951, 127820, 139700, 147574, 159775, 195580, 210820, 231902, 244475, 263525, 295148, 319550, 368935, 463804, 488950, 527050, 579755, 639100, 737870, 811657, 977900, 1054100, 1159510, 1475740, 1623314, 1844675, 2319020, 2898775, 3246628, 3689350, 4058285, 5797550, 7378700, 8116570, 11595100, 16233140, 20291425, 40582850, 81165700]

約数ペア:

[(1, 81165700), (2, 40582850), (4, 20291425), (5, 16233140), (7, 11595100), (10, 8116570), (11, 7378700), (14, 5797550), (20, 4058285), (22, 3689350), (25, 3246628), (28, 2898775), (35, 2319020), (44, 1844675), (50, 1623314), (55, 1475740), (70, 1159510), (77, 1054100), (83, 977900), (100, 811657), (110, 737870), (127, 639100), (140, 579755), (154, 527050), (166, 488950), (175, 463804), (220, 368935), (254, 319550), (275, 295148), (308, 263525), (332, 244475), (350, 231902), (385, 210820), (415, 195580), (508, 159775), (550, 147574), (581, 139700), (635, 127820), (700, 115951), (770, 105410), (830, 97790), (889, 91300), (913, 88900), (1100, 73787), (1162, 69850), (1270, 63910), (1397, 58100), (1540, 52705), (1660, 48895), (1778, 45650), (1826, 44450), (1925, 42164), (2075, 39116), (2324, 34925), (2540, 31955), (2794, 29050), (2905, 27940), (3175, 25564), (3556, 22825), (3652, 22225), (3850, 21082), (4150, 19558), (4445, 18260), (4565, 17780), (5588, 14525), (5810, 13970), (6350, 12782), (6391, 12700), (6985, 11620), (7700, 10541), (8300, 9779), (8890, 9130)]