81252240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 265506816

約数和(自身を除く): 184254576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 67, 80, 93, 120, 124, 134, 155, 163, 186, 201, 240, 248, 268, 310, 326, 335, 372, 402, 465, 489, 496, 536, 620, 652, 670, 744, 804, 815, 930, 978, 1005, 1072, 1240, 1304, 1340, 1488, 1608, 1630, 1860, 1956, 2010, 2077, 2445, 2480, 2608, 2680, 3216, 3260, 3720, 3912, 4020, 4154, 4890, 5053, 5360, 6231, 6520, 7440, 7824, 8040, 8308, 9780, 10106, 10385, 10921, 12462, 13040, 15159, 16080, 16616, 19560, 20212, 20770, 21842, 24924, 25265, 30318, 31155, 32763, 33232, 39120, 40424, 41540, 43684, 49848, 50530, 54605, 60636, 62310, 65526, 75795, 80848, 83080, 87368, 99696, 101060, 109210, 121272, 124620, 131052, 151590, 163815, 166160, 174736, 202120, 218420, 242544, 249240, 262104, 303180, 327630, 338551, 404240, 436840, 498480, 524208, 606360, 655260, 677102, 873680, 1015653, 1212720, 1310520, 1354204, 1692755, 2031306, 2621040, 2708408, 3385510, 4062612, 5078265, 5416816, 6771020, 8125224, 10156530, 13542040, 16250448, 20313060, 27084080, 40626120, 81252240]

約数ペア:

[(1, 81252240), (2, 40626120), (3, 27084080), (4, 20313060), (5, 16250448), (6, 13542040), (8, 10156530), (10, 8125224), (12, 6771020), (15, 5416816), (16, 5078265), (20, 4062612), (24, 3385510), (30, 2708408), (31, 2621040), (40, 2031306), (48, 1692755), (60, 1354204), (62, 1310520), (67, 1212720), (80, 1015653), (93, 873680), (120, 677102), (124, 655260), (134, 606360), (155, 524208), (163, 498480), (186, 436840), (201, 404240), (240, 338551), (248, 327630), (268, 303180), (310, 262104), (326, 249240), (335, 242544), (372, 218420), (402, 202120), (465, 174736), (489, 166160), (496, 163815), (536, 151590), (620, 131052), (652, 124620), (670, 121272), (744, 109210), (804, 101060), (815, 99696), (930, 87368), (978, 83080), (1005, 80848), (1072, 75795), (1240, 65526), (1304, 62310), (1340, 60636), (1488, 54605), (1608, 50530), (1630, 49848), (1860, 43684), (1956, 41540), (2010, 40424), (2077, 39120), (2445, 33232), (2480, 32763), (2608, 31155), (2680, 30318), (3216, 25265), (3260, 24924), (3720, 21842), (3912, 20770), (4020, 20212), (4154, 19560), (4890, 16616), (5053, 16080), (5360, 15159), (6231, 13040), (6520, 12462), (7440, 10921), (7824, 10385), (8040, 10106), (8308, 9780)]