64811565

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 157248000

約数和(自身を除く): 92436435

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 19, 21, 35, 39, 45, 49, 51, 57, 63, 65, 85, 91, 95, 105, 117, 119, 133, 147, 153, 171, 195, 221, 245, 247, 255, 273, 285, 315, 323, 343, 357, 399, 441, 455, 585, 595, 637, 663, 665, 735, 741, 765, 819, 833, 855, 931, 969, 1029, 1071, 1105, 1197, 1235, 1365, 1547, 1615, 1715, 1729, 1785, 1911, 1989, 1995, 2205, 2223, 2261, 2499, 2793, 2907, 3087, 3185, 3315, 3705, 4095, 4165, 4199, 4459, 4641, 4655, 4845, 5145, 5187, 5355, 5733, 5831, 5985, 6517, 6783, 7497, 7735, 8379, 8645, 9555, 9945, 10829, 11115, 11305, 12103, 12495, 12597, 13377, 13923, 13965, 14535, 15435, 15561, 15827, 17493, 19551, 20349, 20995, 22295, 23205, 25935, 28665, 29155, 29393, 32487, 32585, 33915, 36309, 37485, 37791, 40131, 41895, 47481, 52479, 54145, 58653, 60515, 62985, 66885, 69615, 75803, 77805, 79135, 84721, 87465, 88179, 97461, 97755, 101745, 108927, 110789, 142443, 146965, 162435, 181545, 188955, 200655, 205751, 227409, 237405, 254163, 262395, 264537, 293265, 332367, 379015, 423605, 440895, 487305, 544635, 553945, 617253, 682227, 712215, 762489, 997101, 1028755, 1137045, 1270815, 1322685, 1440257, 1661835, 1851759, 3086265, 3411135, 3812445, 4320771, 4985505, 7201285, 9258795, 12962313, 21603855, 64811565]

約数ペア:

[(1, 64811565), (3, 21603855), (5, 12962313), (7, 9258795), (9, 7201285), (13, 4985505), (15, 4320771), (17, 3812445), (19, 3411135), (21, 3086265), (35, 1851759), (39, 1661835), (45, 1440257), (49, 1322685), (51, 1270815), (57, 1137045), (63, 1028755), (65, 997101), (85, 762489), (91, 712215), (95, 682227), (105, 617253), (117, 553945), (119, 544635), (133, 487305), (147, 440895), (153, 423605), (171, 379015), (195, 332367), (221, 293265), (245, 264537), (247, 262395), (255, 254163), (273, 237405), (285, 227409), (315, 205751), (323, 200655), (343, 188955), (357, 181545), (399, 162435), (441, 146965), (455, 142443), (585, 110789), (595, 108927), (637, 101745), (663, 97755), (665, 97461), (735, 88179), (741, 87465), (765, 84721), (819, 79135), (833, 77805), (855, 75803), (931, 69615), (969, 66885), (1029, 62985), (1071, 60515), (1105, 58653), (1197, 54145), (1235, 52479), (1365, 47481), (1547, 41895), (1615, 40131), (1715, 37791), (1729, 37485), (1785, 36309), (1911, 33915), (1989, 32585), (1995, 32487), (2205, 29393), (2223, 29155), (2261, 28665), (2499, 25935), (2793, 23205), (2907, 22295), (3087, 20995), (3185, 20349), (3315, 19551), (3705, 17493), (4095, 15827), (4165, 15561), (4199, 15435), (4459, 14535), (4641, 13965), (4655, 13923), (4845, 13377), (5145, 12597), (5187, 12495), (5355, 12103), (5733, 11305), (5831, 11115), (5985, 10829), (6517, 9945), (6783, 9555), (7497, 8645), (7735, 8379)]