78121368

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 161379432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 172, 216, 234, 258, 312, 344, 351, 387, 468, 516, 559, 647, 702, 774, 936, 1032, 1118, 1161, 1294, 1404, 1548, 1677, 1941, 2236, 2322, 2588, 2808, 3096, 3354, 3882, 4472, 4644, 5031, 5176, 5823, 6708, 7764, 8411, 9288, 10062, 11646, 13416, 15093, 15528, 16822, 17469, 20124, 23292, 25233, 27821, 30186, 33644, 34938, 40248, 46584, 50466, 55642, 60372, 67288, 69876, 75699, 83463, 100932, 111284, 120744, 139752, 151398, 166926, 201864, 222568, 227097, 250389, 302796, 333852, 361673, 454194, 500778, 605592, 667704, 723346, 751167, 908388, 1001556, 1085019, 1446692, 1502334, 1816776, 2003112, 2170038, 2893384, 3004668, 3255057, 4340076, 6009336, 6510114, 8680152, 9765171, 13020228, 19530342, 26040456, 39060684, 78121368]

約数ペア:

[(1, 78121368), (2, 39060684), (3, 26040456), (4, 19530342), (6, 13020228), (8, 9765171), (9, 8680152), (12, 6510114), (13, 6009336), (18, 4340076), (24, 3255057), (26, 3004668), (27, 2893384), (36, 2170038), (39, 2003112), (43, 1816776), (52, 1502334), (54, 1446692), (72, 1085019), (78, 1001556), (86, 908388), (104, 751167), (108, 723346), (117, 667704), (129, 605592), (156, 500778), (172, 454194), (216, 361673), (234, 333852), (258, 302796), (312, 250389), (344, 227097), (351, 222568), (387, 201864), (468, 166926), (516, 151398), (559, 139752), (647, 120744), (702, 111284), (774, 100932), (936, 83463), (1032, 75699), (1118, 69876), (1161, 67288), (1294, 60372), (1404, 55642), (1548, 50466), (1677, 46584), (1941, 40248), (2236, 34938), (2322, 33644), (2588, 30186), (2808, 27821), (3096, 25233), (3354, 23292), (3882, 20124), (4472, 17469), (4644, 16822), (5031, 15528), (5176, 15093), (5823, 13416), (6708, 11646), (7764, 10062), (8411, 9288)]