387777720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1117}}^1$

素因数の和:1405

約数の個数: 128

約数和(自身を含む): 1275056640

約数和(自身を除く): 887278920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 263, 264, 330, 440, 526, 660, 789, 1052, 1117, 1315, 1320, 1578, 2104, 2234, 2630, 2893, 3156, 3351, 3945, 4468, 5260, 5585, 5786, 6312, 6702, 7890, 8679, 8936, 10520, 11170, 11572, 12287, 13404, 14465, 15780, 16755, 17358, 22340, 23144, 24574, 26808, 28930, 31560, 33510, 34716, 36861, 43395, 44680, 49148, 57860, 61435, 67020, 69432, 73722, 86790, 98296, 115720, 122870, 134040, 147444, 173580, 184305, 245740, 293771, 294888, 347160, 368610, 491480, 587542, 737220, 881313, 1175084, 1468855, 1474440, 1762626, 2350168, 2937710, 3231481, 3525252, 4406565, 5875420, 6462962, 7050504, 8813130, 9694443, 11750840, 12925924, 16157405, 17626260, 19388886, 25851848, 32314810, 35252520, 38777772, 48472215, 64629620, 77555544, 96944430, 129259240, 193888860, 387777720]

約数ペア:

[(1, 387777720), (2, 193888860), (3, 129259240), (4, 96944430), (5, 77555544), (6, 64629620), (8, 48472215), (10, 38777772), (11, 35252520), (12, 32314810), (15, 25851848), (20, 19388886), (22, 17626260), (24, 16157405), (30, 12925924), (33, 11750840), (40, 9694443), (44, 8813130), (55, 7050504), (60, 6462962), (66, 5875420), (88, 4406565), (110, 3525252), (120, 3231481), (132, 2937710), (165, 2350168), (220, 1762626), (263, 1474440), (264, 1468855), (330, 1175084), (440, 881313), (526, 737220), (660, 587542), (789, 491480), (1052, 368610), (1117, 347160), (1315, 294888), (1320, 293771), (1578, 245740), (2104, 184305), (2234, 173580), (2630, 147444), (2893, 134040), (3156, 122870), (3351, 115720), (3945, 98296), (4468, 86790), (5260, 73722), (5585, 69432), (5786, 67020), (6312, 61435), (6702, 57860), (7890, 49148), (8679, 44680), (8936, 43395), (10520, 36861), (11170, 34716), (11572, 33510), (12287, 31560), (13404, 28930), (14465, 26808), (15780, 24574), (16755, 23144), (17358, 22340)]