161738800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 409616640

約数和(自身を除く): 247877840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 73, 80, 100, 116, 145, 146, 191, 200, 232, 290, 292, 365, 382, 400, 464, 580, 584, 725, 730, 764, 955, 1160, 1168, 1450, 1460, 1528, 1825, 1910, 2117, 2320, 2900, 2920, 3056, 3650, 3820, 4234, 4775, 5539, 5800, 5840, 7300, 7640, 8468, 9550, 10585, 11078, 11600, 13943, 14600, 15280, 16936, 19100, 21170, 22156, 27695, 27886, 29200, 33872, 38200, 42340, 44312, 52925, 55390, 55772, 69715, 76400, 84680, 88624, 105850, 110780, 111544, 138475, 139430, 169360, 211700, 221560, 223088, 276950, 278860, 348575, 404347, 423400, 443120, 553900, 557720, 697150, 808694, 846800, 1107800, 1115440, 1394300, 1617388, 2021735, 2215600, 2788600, 3234776, 4043470, 5577200, 6469552, 8086940, 10108675, 16173880, 20217350, 32347760, 40434700, 80869400, 161738800]

約数ペア:

[(1, 161738800), (2, 80869400), (4, 40434700), (5, 32347760), (8, 20217350), (10, 16173880), (16, 10108675), (20, 8086940), (25, 6469552), (29, 5577200), (40, 4043470), (50, 3234776), (58, 2788600), (73, 2215600), (80, 2021735), (100, 1617388), (116, 1394300), (145, 1115440), (146, 1107800), (191, 846800), (200, 808694), (232, 697150), (290, 557720), (292, 553900), (365, 443120), (382, 423400), (400, 404347), (464, 348575), (580, 278860), (584, 276950), (725, 223088), (730, 221560), (764, 211700), (955, 169360), (1160, 139430), (1168, 138475), (1450, 111544), (1460, 110780), (1528, 105850), (1825, 88624), (1910, 84680), (2117, 76400), (2320, 69715), (2900, 55772), (2920, 55390), (3056, 52925), (3650, 44312), (3820, 42340), (4234, 38200), (4775, 33872), (5539, 29200), (5800, 27886), (5840, 27695), (7300, 22156), (7640, 21170), (8468, 19100), (9550, 16936), (10585, 15280), (11078, 14600), (11600, 13943)]