65816520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:468

約数の個数: 256

約数和(自身を含む): 261273600

約数和(自身を除く): 195457080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 408, 419, 420, 440, 462, 476, 510, 561, 595, 616, 660, 680, 714, 748, 770, 838, 840, 924, 935, 952, 1020, 1122, 1155, 1190, 1257, 1309, 1320, 1428, 1496, 1540, 1676, 1785, 1848, 1870, 2040, 2095, 2244, 2310, 2380, 2514, 2618, 2805, 2856, 2933, 3080, 3352, 3570, 3740, 3927, 4190, 4488, 4609, 4620, 4760, 5028, 5236, 5610, 5866, 6285, 6545, 7123, 7140, 7480, 7854, 8380, 8799, 9218, 9240, 10056, 10472, 11220, 11732, 12570, 13090, 13827, 14246, 14280, 14665, 15708, 16760, 17598, 18436, 19635, 21369, 22440, 23045, 23464, 25140, 26180, 27654, 28492, 29330, 31416, 32263, 35196, 35615, 36872, 39270, 42738, 43995, 46090, 49861, 50280, 52360, 55308, 56984, 58660, 64526, 69135, 70392, 71230, 78353, 78540, 85476, 87990, 92180, 96789, 99722, 106845, 110616, 117320, 129052, 138270, 142460, 149583, 156706, 157080, 161315, 170952, 175980, 184360, 193578, 199444, 213690, 235059, 249305, 258104, 276540, 284920, 299166, 313412, 322630, 351960, 387156, 391765, 398888, 427380, 470118, 483945, 498610, 548471, 553080, 598332, 626824, 645260, 747915, 774312, 783530, 854760, 940236, 967890, 997220, 1096942, 1175295, 1196664, 1290520, 1495830, 1567060, 1645413, 1880472, 1935780, 1994440, 2193884, 2350590, 2742355, 2991660, 3134120, 3290826, 3871560, 4387768, 4701180, 5484710, 5983320, 6581652, 8227065, 9402360, 10969420, 13163304, 16454130, 21938840, 32908260, 65816520]

約数ペア:

[(1, 65816520), (2, 32908260), (3, 21938840), (4, 16454130), (5, 13163304), (6, 10969420), (7, 9402360), (8, 8227065), (10, 6581652), (11, 5983320), (12, 5484710), (14, 4701180), (15, 4387768), (17, 3871560), (20, 3290826), (21, 3134120), (22, 2991660), (24, 2742355), (28, 2350590), (30, 2193884), (33, 1994440), (34, 1935780), (35, 1880472), (40, 1645413), (42, 1567060), (44, 1495830), (51, 1290520), (55, 1196664), (56, 1175295), (60, 1096942), (66, 997220), (68, 967890), (70, 940236), (77, 854760), (84, 783530), (85, 774312), (88, 747915), (102, 645260), (105, 626824), (110, 598332), (119, 553080), (120, 548471), (132, 498610), (136, 483945), (140, 470118), (154, 427380), (165, 398888), (168, 391765), (170, 387156), (187, 351960), (204, 322630), (210, 313412), (220, 299166), (231, 284920), (238, 276540), (255, 258104), (264, 249305), (280, 235059), (308, 213690), (330, 199444), (340, 193578), (357, 184360), (374, 175980), (385, 170952), (408, 161315), (419, 157080), (420, 156706), (440, 149583), (462, 142460), (476, 138270), (510, 129052), (561, 117320), (595, 110616), (616, 106845), (660, 99722), (680, 96789), (714, 92180), (748, 87990), (770, 85476), (838, 78540), (840, 78353), (924, 71230), (935, 70392), (952, 69135), (1020, 64526), (1122, 58660), (1155, 56984), (1190, 55308), (1257, 52360), (1309, 50280), (1320, 49861), (1428, 46090), (1496, 43995), (1540, 42738), (1676, 39270), (1785, 36872), (1848, 35615), (1870, 35196), (2040, 32263), (2095, 31416), (2244, 29330), (2310, 28492), (2380, 27654), (2514, 26180), (2618, 25140), (2805, 23464), (2856, 23045), (2933, 22440), (3080, 21369), (3352, 19635), (3570, 18436), (3740, 17598), (3927, 16760), (4190, 15708), (4488, 14665), (4609, 14280), (4620, 14246), (4760, 13827), (5028, 13090), (5236, 12570), (5610, 11732), (5866, 11220), (6285, 10472), (6545, 10056), (7123, 9240), (7140, 9218), (7480, 8799), (7854, 8380)]