807985280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 2005830000

約数和(自身を除く): 1197844720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 149, 160, 185, 229, 296, 298, 320, 370, 458, 592, 596, 640, 740, 745, 916, 1145, 1184, 1192, 1480, 1490, 1832, 2290, 2368, 2384, 2960, 2980, 3664, 4580, 4736, 4768, 5513, 5920, 5960, 7328, 8473, 9160, 9536, 11026, 11840, 11920, 14656, 16946, 18320, 19072, 22052, 23680, 23840, 27565, 29312, 33892, 34121, 36640, 42365, 44104, 47680, 55130, 67784, 68242, 73280, 84730, 88208, 95360, 110260, 135568, 136484, 146560, 169460, 170605, 176416, 220520, 271136, 272968, 338920, 341210, 352832, 441040, 542272, 545936, 677840, 682420, 705664, 882080, 1084544, 1091872, 1262477, 1355680, 1364840, 1764160, 2183744, 2524954, 2711360, 2729680, 3528320, 4367488, 5049908, 5422720, 5459360, 6312385, 10099816, 10918720, 12624770, 20199632, 21837440, 25249540, 40399264, 50499080, 80798528, 100998160, 161597056, 201996320, 403992640, 807985280]

約数ペア:

[(1, 807985280), (2, 403992640), (4, 201996320), (5, 161597056), (8, 100998160), (10, 80798528), (16, 50499080), (20, 40399264), (32, 25249540), (37, 21837440), (40, 20199632), (64, 12624770), (74, 10918720), (80, 10099816), (128, 6312385), (148, 5459360), (149, 5422720), (160, 5049908), (185, 4367488), (229, 3528320), (296, 2729680), (298, 2711360), (320, 2524954), (370, 2183744), (458, 1764160), (592, 1364840), (596, 1355680), (640, 1262477), (740, 1091872), (745, 1084544), (916, 882080), (1145, 705664), (1184, 682420), (1192, 677840), (1480, 545936), (1490, 542272), (1832, 441040), (2290, 352832), (2368, 341210), (2384, 338920), (2960, 272968), (2980, 271136), (3664, 220520), (4580, 176416), (4736, 170605), (4768, 169460), (5513, 146560), (5920, 136484), (5960, 135568), (7328, 110260), (8473, 95360), (9160, 88208), (9536, 84730), (11026, 73280), (11840, 68242), (11920, 67784), (14656, 55130), (16946, 47680), (18320, 44104), (19072, 42365), (22052, 36640), (23680, 34121), (23840, 33892), (27565, 29312)]