81764760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8849}}^1$

素因数の和:8881

約数の個数: 128

約数和(自身を含む): 305856000

約数和(自身を除く): 224091240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 8849, 9240, 17698, 26547, 35396, 44245, 53094, 61943, 70792, 88490, 97339, 106188, 123886, 132735, 176980, 185829, 194678, 212376, 247772, 265470, 292017, 309715, 353960, 371658, 389356, 486695, 495544, 530940, 584034, 619430, 681373, 743316, 778712, 929145, 973390, 1061880, 1168068, 1238860, 1362746, 1460085, 1486632, 1858290, 1946780, 2044119, 2336136, 2477720, 2725492, 2920170, 3406865, 3716580, 3893560, 4088238, 5450984, 5840340, 6813730, 7433160, 8176476, 10220595, 11680680, 13627460, 16352952, 20441190, 27254920, 40882380, 81764760]

約数ペア:

[(1, 81764760), (2, 40882380), (3, 27254920), (4, 20441190), (5, 16352952), (6, 13627460), (7, 11680680), (8, 10220595), (10, 8176476), (11, 7433160), (12, 6813730), (14, 5840340), (15, 5450984), (20, 4088238), (21, 3893560), (22, 3716580), (24, 3406865), (28, 2920170), (30, 2725492), (33, 2477720), (35, 2336136), (40, 2044119), (42, 1946780), (44, 1858290), (55, 1486632), (56, 1460085), (60, 1362746), (66, 1238860), (70, 1168068), (77, 1061880), (84, 973390), (88, 929145), (105, 778712), (110, 743316), (120, 681373), (132, 619430), (140, 584034), (154, 530940), (165, 495544), (168, 486695), (210, 389356), (220, 371658), (231, 353960), (264, 309715), (280, 292017), (308, 265470), (330, 247772), (385, 212376), (420, 194678), (440, 185829), (462, 176980), (616, 132735), (660, 123886), (770, 106188), (840, 97339), (924, 88490), (1155, 70792), (1320, 61943), (1540, 53094), (1848, 44245), (2310, 35396), (3080, 26547), (4620, 17698), (8849, 9240)]