123020520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 425260800

約数和(自身を除く): 302240280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 685, 822, 840, 959, 1069, 1096, 1370, 1644, 1918, 2055, 2138, 2740, 2877, 3207, 3288, 3836, 4110, 4276, 4795, 5345, 5480, 5754, 6414, 7483, 7672, 8220, 8552, 9590, 10690, 11508, 12828, 14385, 14966, 16035, 16440, 19180, 21380, 22449, 23016, 25656, 28770, 29932, 32070, 37415, 38360, 42760, 44898, 57540, 59864, 64140, 74830, 89796, 112245, 115080, 128280, 146453, 149660, 179592, 224490, 292906, 299320, 439359, 448980, 585812, 732265, 878718, 897960, 1025171, 1171624, 1464530, 1757436, 2050342, 2196795, 2929060, 3075513, 3514872, 4100684, 4393590, 5125855, 5858120, 6151026, 8201368, 8787180, 10251710, 12302052, 15377565, 17574360, 20503420, 24604104, 30755130, 41006840, 61510260, 123020520]

約数ペア:

[(1, 123020520), (2, 61510260), (3, 41006840), (4, 30755130), (5, 24604104), (6, 20503420), (7, 17574360), (8, 15377565), (10, 12302052), (12, 10251710), (14, 8787180), (15, 8201368), (20, 6151026), (21, 5858120), (24, 5125855), (28, 4393590), (30, 4100684), (35, 3514872), (40, 3075513), (42, 2929060), (56, 2196795), (60, 2050342), (70, 1757436), (84, 1464530), (105, 1171624), (120, 1025171), (137, 897960), (140, 878718), (168, 732265), (210, 585812), (274, 448980), (280, 439359), (411, 299320), (420, 292906), (548, 224490), (685, 179592), (822, 149660), (840, 146453), (959, 128280), (1069, 115080), (1096, 112245), (1370, 89796), (1644, 74830), (1918, 64140), (2055, 59864), (2138, 57540), (2740, 44898), (2877, 42760), (3207, 38360), (3288, 37415), (3836, 32070), (4110, 29932), (4276, 28770), (4795, 25656), (5345, 23016), (5480, 22449), (5754, 21380), (6414, 19180), (7483, 16440), (7672, 16035), (8220, 14966), (8552, 14385), (9590, 12828), (10690, 11508)]