80237520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1$

素因数の和:351

約数の個数: 240

約数和(自身を含む): 304772160

約数和(自身を除く): 224534640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 307, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 614, 660, 720, 726, 792, 880, 921, 968, 990, 1080, 1089, 1188, 1210, 1228, 1320, 1452, 1485, 1535, 1584, 1815, 1842, 1936, 1980, 2160, 2178, 2376, 2420, 2456, 2640, 2763, 2904, 2970, 3070, 3267, 3377, 3630, 3684, 3960, 4356, 4605, 4752, 4840, 4912, 5445, 5526, 5808, 5940, 6140, 6534, 6754, 7260, 7368, 7920, 8289, 8712, 9210, 9680, 10131, 10890, 11052, 11880, 12280, 13068, 13508, 13815, 14520, 14736, 16335, 16578, 16885, 17424, 18420, 20262, 21780, 22104, 23760, 24560, 26136, 27016, 27630, 29040, 30393, 32670, 33156, 33770, 36840, 37147, 40524, 41445, 43560, 44208, 50655, 52272, 54032, 55260, 60786, 65340, 66312, 67540, 73680, 74294, 81048, 82890, 87120, 91179, 101310, 110520, 111441, 121572, 130680, 132624, 135080, 148588, 151965, 162096, 165780, 182358, 185735, 202620, 221040, 222882, 243144, 261360, 270160, 297176, 303930, 331560, 334323, 364716, 371470, 405240, 445764, 455895, 486288, 557205, 594352, 607860, 663120, 668646, 729432, 742940, 810480, 891528, 911790, 1002969, 1114410, 1215720, 1337292, 1458864, 1485880, 1671615, 1783056, 1823580, 2005938, 2228820, 2431440, 2674584, 2971760, 3343230, 3647160, 4011876, 4457640, 5014845, 5349168, 6686460, 7294320, 8023752, 8915280, 10029690, 13372920, 16047504, 20059380, 26745840, 40118760, 80237520]

約数ペア:

[(1, 80237520), (2, 40118760), (3, 26745840), (4, 20059380), (5, 16047504), (6, 13372920), (8, 10029690), (9, 8915280), (10, 8023752), (11, 7294320), (12, 6686460), (15, 5349168), (16, 5014845), (18, 4457640), (20, 4011876), (22, 3647160), (24, 3343230), (27, 2971760), (30, 2674584), (33, 2431440), (36, 2228820), (40, 2005938), (44, 1823580), (45, 1783056), (48, 1671615), (54, 1485880), (55, 1458864), (60, 1337292), (66, 1215720), (72, 1114410), (80, 1002969), (88, 911790), (90, 891528), (99, 810480), (108, 742940), (110, 729432), (120, 668646), (121, 663120), (132, 607860), (135, 594352), (144, 557205), (165, 486288), (176, 455895), (180, 445764), (198, 405240), (216, 371470), (220, 364716), (240, 334323), (242, 331560), (264, 303930), (270, 297176), (297, 270160), (307, 261360), (330, 243144), (360, 222882), (363, 221040), (396, 202620), (432, 185735), (440, 182358), (484, 165780), (495, 162096), (528, 151965), (540, 148588), (594, 135080), (605, 132624), (614, 130680), (660, 121572), (720, 111441), (726, 110520), (792, 101310), (880, 91179), (921, 87120), (968, 82890), (990, 81048), (1080, 74294), (1089, 73680), (1188, 67540), (1210, 66312), (1228, 65340), (1320, 60786), (1452, 55260), (1485, 54032), (1535, 52272), (1584, 50655), (1815, 44208), (1842, 43560), (1936, 41445), (1980, 40524), (2160, 37147), (2178, 36840), (2376, 33770), (2420, 33156), (2456, 32670), (2640, 30393), (2763, 29040), (2904, 27630), (2970, 27016), (3070, 26136), (3267, 24560), (3377, 23760), (3630, 22104), (3684, 21780), (3960, 20262), (4356, 18420), (4605, 17424), (4752, 16885), (4840, 16578), (4912, 16335), (5445, 14736), (5526, 14520), (5808, 13815), (5940, 13508), (6140, 13068), (6534, 12280), (6754, 11880), (7260, 11052), (7368, 10890), (7920, 10131), (8289, 9680), (8712, 9210)]