780534440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6379}}^1$

素因数の和:6439

約数の個数: 128

約数和(自身を含む): 2204928000

約数和(自身を除く): 1424393560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 2185, 2660, 3059, 3220, 3496, 4370, 5320, 6118, 6379, 6440, 8740, 12236, 12758, 15295, 17480, 24472, 25516, 30590, 31895, 44653, 51032, 61180, 63790, 89306, 121201, 122360, 127580, 146717, 178612, 223265, 242402, 255160, 293434, 357224, 446530, 484804, 586868, 606005, 733585, 848407, 893060, 969608, 1027019, 1173736, 1212010, 1467170, 1696814, 1786120, 2054038, 2424020, 2787623, 2934340, 3393628, 4108076, 4242035, 4848040, 5135095, 5575246, 5868680, 6787256, 8216152, 8484070, 10270190, 11150492, 13938115, 16968140, 19513361, 20540380, 22300984, 27876230, 33936280, 39026722, 41080760, 55752460, 78053444, 97566805, 111504920, 156106888, 195133610, 390267220, 780534440]

約数ペア:

[(1, 780534440), (2, 390267220), (4, 195133610), (5, 156106888), (7, 111504920), (8, 97566805), (10, 78053444), (14, 55752460), (19, 41080760), (20, 39026722), (23, 33936280), (28, 27876230), (35, 22300984), (38, 20540380), (40, 19513361), (46, 16968140), (56, 13938115), (70, 11150492), (76, 10270190), (92, 8484070), (95, 8216152), (115, 6787256), (133, 5868680), (140, 5575246), (152, 5135095), (161, 4848040), (184, 4242035), (190, 4108076), (230, 3393628), (266, 2934340), (280, 2787623), (322, 2424020), (380, 2054038), (437, 1786120), (460, 1696814), (532, 1467170), (644, 1212010), (665, 1173736), (760, 1027019), (805, 969608), (874, 893060), (920, 848407), (1064, 733585), (1288, 606005), (1330, 586868), (1610, 484804), (1748, 446530), (2185, 357224), (2660, 293434), (3059, 255160), (3220, 242402), (3496, 223265), (4370, 178612), (5320, 146717), (6118, 127580), (6379, 122360), (6440, 121201), (8740, 89306), (12236, 63790), (12758, 61180), (15295, 51032), (17480, 44653), (24472, 31895), (25516, 30590)]