172800495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 385100352

約数和(自身を除く): 212299857

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 35, 45, 51, 61, 63, 69, 85, 105, 115, 119, 153, 161, 183, 207, 255, 305, 315, 345, 357, 391, 427, 483, 529, 549, 595, 765, 805, 915, 1035, 1037, 1071, 1173, 1281, 1403, 1449, 1587, 1785, 1955, 2135, 2415, 2645, 2737, 2745, 3111, 3519, 3703, 3843, 4209, 4761, 5185, 5355, 5865, 6405, 7015, 7245, 7259, 7935, 8211, 8993, 9333, 9821, 11109, 12627, 13685, 15555, 17595, 18515, 19215, 21045, 21777, 23805, 23851, 24633, 26979, 29463, 32269, 33327, 36295, 41055, 44965, 46665, 49105, 55545, 62951, 63135, 65331, 71553, 80937, 88389, 96807, 108885, 119255, 123165, 134895, 147315, 161345, 166635, 166957, 188853, 214659, 225883, 290421, 314755, 326655, 357765, 404685, 441945, 484035, 500871, 548573, 566559, 677649, 834785, 944265, 1073295, 1129415, 1452105, 1502613, 1645719, 2032947, 2504355, 2742865, 2832795, 3388245, 3840011, 4937157, 7513065, 8228595, 10164735, 11520033, 19200055, 24685785, 34560099, 57600165, 172800495]

約数ペア:

[(1, 172800495), (3, 57600165), (5, 34560099), (7, 24685785), (9, 19200055), (15, 11520033), (17, 10164735), (21, 8228595), (23, 7513065), (35, 4937157), (45, 3840011), (51, 3388245), (61, 2832795), (63, 2742865), (69, 2504355), (85, 2032947), (105, 1645719), (115, 1502613), (119, 1452105), (153, 1129415), (161, 1073295), (183, 944265), (207, 834785), (255, 677649), (305, 566559), (315, 548573), (345, 500871), (357, 484035), (391, 441945), (427, 404685), (483, 357765), (529, 326655), (549, 314755), (595, 290421), (765, 225883), (805, 214659), (915, 188853), (1035, 166957), (1037, 166635), (1071, 161345), (1173, 147315), (1281, 134895), (1403, 123165), (1449, 119255), (1587, 108885), (1785, 96807), (1955, 88389), (2135, 80937), (2415, 71553), (2645, 65331), (2737, 63135), (2745, 62951), (3111, 55545), (3519, 49105), (3703, 46665), (3843, 44965), (4209, 41055), (4761, 36295), (5185, 33327), (5355, 32269), (5865, 29463), (6405, 26979), (7015, 24633), (7245, 23851), (7259, 23805), (7935, 21777), (8211, 21045), (8993, 19215), (9333, 18515), (9821, 17595), (11109, 15555), (12627, 13685)]