181778415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 387932160

約数和(自身を除く): 206153745

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 43, 57, 65, 91, 95, 105, 129, 133, 163, 195, 215, 247, 273, 285, 301, 399, 455, 489, 559, 645, 665, 741, 815, 817, 903, 1141, 1235, 1365, 1505, 1677, 1729, 1995, 2119, 2445, 2451, 2795, 3097, 3423, 3705, 3913, 4085, 4515, 5187, 5705, 5719, 6357, 7009, 8385, 8645, 9291, 10595, 10621, 11739, 12255, 14833, 15485, 17115, 17157, 19565, 21027, 21679, 25935, 28595, 31785, 31863, 35045, 40261, 44499, 46455, 49063, 53105, 58695, 65037, 74165, 74347, 85785, 91117, 105135, 108395, 120783, 133171, 147189, 159315, 201305, 222495, 223041, 245315, 273351, 281827, 325185, 371735, 399513, 455585, 603915, 637819, 665855, 735945, 845481, 932197, 1115205, 1366755, 1409135, 1731223, 1913457, 1997565, 2796591, 3189095, 4227405, 4660985, 5193669, 8656115, 9567285, 12118561, 13982955, 25968345, 36355683, 60592805, 181778415]

約数ペア:

[(1, 181778415), (3, 60592805), (5, 36355683), (7, 25968345), (13, 13982955), (15, 12118561), (19, 9567285), (21, 8656115), (35, 5193669), (39, 4660985), (43, 4227405), (57, 3189095), (65, 2796591), (91, 1997565), (95, 1913457), (105, 1731223), (129, 1409135), (133, 1366755), (163, 1115205), (195, 932197), (215, 845481), (247, 735945), (273, 665855), (285, 637819), (301, 603915), (399, 455585), (455, 399513), (489, 371735), (559, 325185), (645, 281827), (665, 273351), (741, 245315), (815, 223041), (817, 222495), (903, 201305), (1141, 159315), (1235, 147189), (1365, 133171), (1505, 120783), (1677, 108395), (1729, 105135), (1995, 91117), (2119, 85785), (2445, 74347), (2451, 74165), (2795, 65037), (3097, 58695), (3423, 53105), (3705, 49063), (3913, 46455), (4085, 44499), (4515, 40261), (5187, 35045), (5705, 31863), (5719, 31785), (6357, 28595), (7009, 25935), (8385, 21679), (8645, 21027), (9291, 19565), (10595, 17157), (10621, 17115), (11739, 15485), (12255, 14833)]