67992440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 157464000

約数和(自身を除く): 89471560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 178, 269, 284, 355, 356, 445, 538, 568, 710, 712, 890, 1076, 1345, 1420, 1780, 2152, 2690, 2840, 3560, 5380, 6319, 10760, 12638, 19099, 23941, 25276, 31595, 38198, 47882, 50552, 63190, 76396, 95495, 95764, 119705, 126380, 152792, 190990, 191528, 239410, 252760, 381980, 478820, 763960, 957640, 1699811, 3399622, 6799244, 8499055, 13598488, 16998110, 33996220, 67992440]

約数ペア:

[(1, 67992440), (2, 33996220), (4, 16998110), (5, 13598488), (8, 8499055), (10, 6799244), (20, 3399622), (40, 1699811), (71, 957640), (89, 763960), (142, 478820), (178, 381980), (269, 252760), (284, 239410), (355, 191528), (356, 190990), (445, 152792), (538, 126380), (568, 119705), (710, 95764), (712, 95495), (890, 76396), (1076, 63190), (1345, 50552), (1420, 47882), (1780, 38198), (2152, 31595), (2690, 25276), (2840, 23941), (3560, 19099), (5380, 12638), (6319, 10760)]