320893008

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 855736896

約数和(自身を除く): 534843888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 281, 296, 444, 562, 592, 643, 843, 888, 1124, 1286, 1686, 1776, 1929, 2248, 2572, 3372, 3858, 4496, 5144, 6744, 7716, 10288, 10397, 13488, 15432, 20794, 23791, 30864, 31191, 41588, 47582, 62382, 71373, 83176, 95164, 124764, 142746, 166352, 180683, 190328, 249528, 285492, 361366, 380656, 499056, 542049, 570984, 722732, 1084098, 1141968, 1445464, 2168196, 2890928, 4336392, 6685271, 8672784, 13370542, 20055813, 26741084, 40111626, 53482168, 80223252, 106964336, 160446504, 320893008]

約数ペア:

[(1, 320893008), (2, 160446504), (3, 106964336), (4, 80223252), (6, 53482168), (8, 40111626), (12, 26741084), (16, 20055813), (24, 13370542), (37, 8672784), (48, 6685271), (74, 4336392), (111, 2890928), (148, 2168196), (222, 1445464), (281, 1141968), (296, 1084098), (444, 722732), (562, 570984), (592, 542049), (643, 499056), (843, 380656), (888, 361366), (1124, 285492), (1286, 249528), (1686, 190328), (1776, 180683), (1929, 166352), (2248, 142746), (2572, 124764), (3372, 95164), (3858, 83176), (4496, 71373), (5144, 62382), (6744, 47582), (7716, 41588), (10288, 31191), (10397, 30864), (13488, 23791), (15432, 20794)]