215231280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81527}}^1$

素因数の和:81554

約数の個数: 80

約数和(自身を含む): 727881984

約数和(自身を除く): 512650704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 81527, 163054, 244581, 326108, 407635, 489162, 652216, 815270, 896797, 978324, 1222905, 1304432, 1630540, 1793594, 1956648, 2445810, 2690391, 3261080, 3587188, 3913296, 4483985, 4891620, 5380782, 6522160, 7174376, 8967970, 9783240, 10761564, 13451955, 14348752, 17935940, 19566480, 21523128, 26903910, 35871880, 43046256, 53807820, 71743760, 107615640, 215231280]

約数ペア:

[(1, 215231280), (2, 107615640), (3, 71743760), (4, 53807820), (5, 43046256), (6, 35871880), (8, 26903910), (10, 21523128), (11, 19566480), (12, 17935940), (15, 14348752), (16, 13451955), (20, 10761564), (22, 9783240), (24, 8967970), (30, 7174376), (33, 6522160), (40, 5380782), (44, 4891620), (48, 4483985), (55, 3913296), (60, 3587188), (66, 3261080), (80, 2690391), (88, 2445810), (110, 1956648), (120, 1793594), (132, 1630540), (165, 1304432), (176, 1222905), (220, 978324), (240, 896797), (264, 815270), (330, 652216), (440, 489162), (528, 407635), (660, 326108), (880, 244581), (1320, 163054), (2640, 81527)]