64872840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 128

約数和(自身を含む): 210672000

約数和(自身を除く): 145799160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 769, 888, 1110, 1140, 1406, 1480, 1538, 2109, 2220, 2280, 2307, 2812, 3076, 3515, 3845, 4218, 4440, 4614, 5624, 6152, 7030, 7690, 8436, 9228, 10545, 11535, 14060, 14611, 15380, 16872, 18456, 21090, 23070, 28120, 28453, 29222, 30760, 42180, 43833, 46140, 56906, 58444, 73055, 84360, 85359, 87666, 92280, 113812, 116888, 142265, 146110, 170718, 175332, 219165, 227624, 284530, 292220, 341436, 350664, 426795, 438330, 540607, 569060, 584440, 682872, 853590, 876660, 1081214, 1138120, 1621821, 1707180, 1753320, 2162428, 2703035, 3243642, 3414360, 4324856, 5406070, 6487284, 8109105, 10812140, 12974568, 16218210, 21624280, 32436420, 64872840]

約数ペア:

[(1, 64872840), (2, 32436420), (3, 21624280), (4, 16218210), (5, 12974568), (6, 10812140), (8, 8109105), (10, 6487284), (12, 5406070), (15, 4324856), (19, 3414360), (20, 3243642), (24, 2703035), (30, 2162428), (37, 1753320), (38, 1707180), (40, 1621821), (57, 1138120), (60, 1081214), (74, 876660), (76, 853590), (95, 682872), (111, 584440), (114, 569060), (120, 540607), (148, 438330), (152, 426795), (185, 350664), (190, 341436), (222, 292220), (228, 284530), (285, 227624), (296, 219165), (370, 175332), (380, 170718), (444, 146110), (456, 142265), (555, 116888), (570, 113812), (703, 92280), (740, 87666), (760, 85359), (769, 84360), (888, 73055), (1110, 58444), (1140, 56906), (1406, 46140), (1480, 43833), (1538, 42180), (2109, 30760), (2220, 29222), (2280, 28453), (2307, 28120), (2812, 23070), (3076, 21090), (3515, 18456), (3845, 16872), (4218, 15380), (4440, 14611), (4614, 14060), (5624, 11535), (6152, 10545), (7030, 9228), (7690, 8436)]