20545778520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{61967}}^1$

素因数の和:62294

約数の個数: 128

約数和(自身を含む): 68710118400

約数和(自身を除く): 48164339880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 307, 360, 540, 614, 921, 1080, 1228, 1535, 1842, 2456, 2763, 3070, 3684, 4605, 5526, 6140, 7368, 8289, 9210, 11052, 12280, 13815, 16578, 18420, 22104, 27630, 33156, 36840, 41445, 55260, 61967, 66312, 82890, 110520, 123934, 165780, 185901, 247868, 309835, 331560, 371802, 495736, 557703, 619670, 743604, 929505, 1115406, 1239340, 1487208, 1673109, 1859010, 2230812, 2478680, 2788515, 3346218, 3718020, 4461624, 5577030, 6692436, 7436040, 8365545, 11154060, 13384872, 16731090, 19023869, 22308120, 33462180, 38047738, 57071607, 66924360, 76095476, 95119345, 114143214, 152190952, 171214821, 190238690, 228286428, 285358035, 342429642, 380477380, 456572856, 513644463, 570716070, 684859284, 760954760, 856074105, 1027288926, 1141432140, 1369718568, 1712148210, 2054577852, 2282864280, 2568222315, 3424296420, 4109155704, 5136444630, 6848592840, 10272889260, 20545778520]

約数ペア:

[(1, 20545778520), (2, 10272889260), (3, 6848592840), (4, 5136444630), (5, 4109155704), (6, 3424296420), (8, 2568222315), (9, 2282864280), (10, 2054577852), (12, 1712148210), (15, 1369718568), (18, 1141432140), (20, 1027288926), (24, 856074105), (27, 760954760), (30, 684859284), (36, 570716070), (40, 513644463), (45, 456572856), (54, 380477380), (60, 342429642), (72, 285358035), (90, 228286428), (108, 190238690), (120, 171214821), (135, 152190952), (180, 114143214), (216, 95119345), (270, 76095476), (307, 66924360), (360, 57071607), (540, 38047738), (614, 33462180), (921, 22308120), (1080, 19023869), (1228, 16731090), (1535, 13384872), (1842, 11154060), (2456, 8365545), (2763, 7436040), (3070, 6692436), (3684, 5577030), (4605, 4461624), (5526, 3718020), (6140, 3346218), (7368, 2788515), (8289, 2478680), (9210, 2230812), (11052, 1859010), (12280, 1673109), (13815, 1487208), (16578, 1239340), (18420, 1115406), (22104, 929505), (27630, 743604), (33156, 619670), (36840, 557703), (41445, 495736), (55260, 371802), (61967, 331560), (66312, 309835), (82890, 247868), (110520, 185901), (123934, 165780)]