68001780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 175853580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 105, 110, 123, 132, 140, 154, 164, 165, 205, 210, 220, 231, 246, 287, 308, 330, 359, 385, 410, 420, 451, 462, 492, 574, 615, 660, 718, 770, 820, 861, 902, 924, 1077, 1148, 1155, 1230, 1353, 1435, 1436, 1540, 1722, 1795, 1804, 2154, 2255, 2310, 2460, 2513, 2706, 2870, 3157, 3444, 3590, 3949, 4305, 4308, 4510, 4620, 5026, 5385, 5412, 5740, 6314, 6765, 7180, 7539, 7898, 8610, 9020, 9471, 10052, 10770, 11847, 12565, 12628, 13530, 14719, 15078, 15785, 15796, 17220, 18942, 19745, 21540, 23694, 25130, 27060, 27643, 29438, 30156, 31570, 37695, 37884, 39490, 44157, 47355, 47388, 50260, 55286, 58876, 59235, 63140, 73595, 75390, 78980, 82929, 88314, 94710, 103033, 110572, 118470, 138215, 147190, 150780, 161909, 165858, 176628, 189420, 206066, 220785, 236940, 276430, 294380, 309099, 323818, 331716, 412132, 414645, 441570, 485727, 515165, 552860, 618198, 647636, 809545, 829290, 883140, 971454, 1030330, 1133363, 1236396, 1545495, 1619090, 1658580, 1942908, 2060660, 2266726, 2428635, 3090990, 3238180, 3400089, 4533452, 4857270, 5666815, 6181980, 6800178, 9714540, 11333630, 13600356, 17000445, 22667260, 34000890, 68001780]

約数ペア:

[(1, 68001780), (2, 34000890), (3, 22667260), (4, 17000445), (5, 13600356), (6, 11333630), (7, 9714540), (10, 6800178), (11, 6181980), (12, 5666815), (14, 4857270), (15, 4533452), (20, 3400089), (21, 3238180), (22, 3090990), (28, 2428635), (30, 2266726), (33, 2060660), (35, 1942908), (41, 1658580), (42, 1619090), (44, 1545495), (55, 1236396), (60, 1133363), (66, 1030330), (70, 971454), (77, 883140), (82, 829290), (84, 809545), (105, 647636), (110, 618198), (123, 552860), (132, 515165), (140, 485727), (154, 441570), (164, 414645), (165, 412132), (205, 331716), (210, 323818), (220, 309099), (231, 294380), (246, 276430), (287, 236940), (308, 220785), (330, 206066), (359, 189420), (385, 176628), (410, 165858), (420, 161909), (451, 150780), (462, 147190), (492, 138215), (574, 118470), (615, 110572), (660, 103033), (718, 94710), (770, 88314), (820, 82929), (861, 78980), (902, 75390), (924, 73595), (1077, 63140), (1148, 59235), (1155, 58876), (1230, 55286), (1353, 50260), (1435, 47388), (1436, 47355), (1540, 44157), (1722, 39490), (1795, 37884), (1804, 37695), (2154, 31570), (2255, 30156), (2310, 29438), (2460, 27643), (2513, 27060), (2706, 25130), (2870, 23694), (3157, 21540), (3444, 19745), (3590, 18942), (3949, 17220), (4305, 15796), (4308, 15785), (4510, 15078), (4620, 14719), (5026, 13530), (5385, 12628), (5412, 12565), (5740, 11847), (6314, 10770), (6765, 10052), (7180, 9471), (7539, 9020), (7898, 8610)]