321570256

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 742008064

約数和(自身を除く): 420437808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 73, 74, 112, 146, 148, 259, 292, 296, 511, 518, 584, 592, 1022, 1036, 1063, 1168, 2044, 2072, 2126, 2701, 4088, 4144, 4252, 5402, 7441, 8176, 8504, 10804, 14882, 17008, 18907, 21608, 29764, 37814, 39331, 43216, 59528, 75628, 77599, 78662, 119056, 151256, 155198, 157324, 275317, 302512, 310396, 314648, 543193, 550634, 620792, 629296, 1086386, 1101268, 1241584, 2172772, 2202536, 2871163, 4345544, 4405072, 5742326, 8691088, 11484652, 20098141, 22969304, 40196282, 45938608, 80392564, 160785128, 321570256]

約数ペア:

[(1, 321570256), (2, 160785128), (4, 80392564), (7, 45938608), (8, 40196282), (14, 22969304), (16, 20098141), (28, 11484652), (37, 8691088), (56, 5742326), (73, 4405072), (74, 4345544), (112, 2871163), (146, 2202536), (148, 2172772), (259, 1241584), (292, 1101268), (296, 1086386), (511, 629296), (518, 620792), (584, 550634), (592, 543193), (1022, 314648), (1036, 310396), (1063, 302512), (1168, 275317), (2044, 157324), (2072, 155198), (2126, 151256), (2701, 119056), (4088, 78662), (4144, 77599), (4252, 75628), (5402, 59528), (7441, 43216), (8176, 39331), (8504, 37814), (10804, 29764), (14882, 21608), (17008, 18907)]