64867680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 223960464

約数和(自身を除く): 159092784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 421, 428, 480, 535, 642, 720, 842, 856, 963, 1070, 1263, 1284, 1440, 1605, 1684, 1712, 1926, 2105, 2140, 2526, 2568, 3210, 3368, 3424, 3789, 3852, 4210, 4280, 4815, 5052, 5136, 6315, 6420, 6736, 7578, 7704, 8420, 8560, 9630, 10104, 10272, 12630, 12840, 13472, 15156, 15408, 16840, 17120, 18945, 19260, 20208, 25260, 25680, 30312, 30816, 33680, 37890, 38520, 40416, 45047, 50520, 51360, 60624, 67360, 75780, 77040, 90094, 101040, 121248, 135141, 151560, 154080, 180188, 202080, 225235, 270282, 303120, 360376, 405423, 450470, 540564, 606240, 675705, 720752, 810846, 900940, 1081128, 1351410, 1441504, 1621692, 1801880, 2027115, 2162256, 2702820, 3243384, 3603760, 4054230, 4324512, 5405640, 6486768, 7207520, 8108460, 10811280, 12973536, 16216920, 21622560, 32433840, 64867680]

約数ペア:

[(1, 64867680), (2, 32433840), (3, 21622560), (4, 16216920), (5, 12973536), (6, 10811280), (8, 8108460), (9, 7207520), (10, 6486768), (12, 5405640), (15, 4324512), (16, 4054230), (18, 3603760), (20, 3243384), (24, 2702820), (30, 2162256), (32, 2027115), (36, 1801880), (40, 1621692), (45, 1441504), (48, 1351410), (60, 1081128), (72, 900940), (80, 810846), (90, 720752), (96, 675705), (107, 606240), (120, 540564), (144, 450470), (160, 405423), (180, 360376), (214, 303120), (240, 270282), (288, 225235), (321, 202080), (360, 180188), (421, 154080), (428, 151560), (480, 135141), (535, 121248), (642, 101040), (720, 90094), (842, 77040), (856, 75780), (963, 67360), (1070, 60624), (1263, 51360), (1284, 50520), (1440, 45047), (1605, 40416), (1684, 38520), (1712, 37890), (1926, 33680), (2105, 30816), (2140, 30312), (2526, 25680), (2568, 25260), (3210, 20208), (3368, 19260), (3424, 18945), (3789, 17120), (3852, 16840), (4210, 15408), (4280, 15156), (4815, 13472), (5052, 12840), (5136, 12630), (6315, 10272), (6420, 10104), (6736, 9630), (7578, 8560), (7704, 8420)]