78261360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 255793152

約数和(自身を除く): 177531792

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, 157, 186, 201, 240, 248, 268, 310, 314, 335, 372, 402, 465, 471, 496, 536, 620, 628, 670, 744, 785, 804, 930, 942, 1005, 1072, 1240, 1256, 1340, 1488, 1570, 1608, 1860, 1884, 2010, 2077, 2355, 2480, 2512, 2680, 3140, 3216, 3720, 3768, 4020, 4154, 4710, 4867, 5360, 6231, 6280, 7440, 7536, 8040, 8308, 9420, 9734, 10385, 10519, 12462, 12560, 14601, 16080, 16616, 18840, 19468, 20770, 21038, 24335, 24924, 29202, 31155, 31557, 33232, 37680, 38936, 41540, 42076, 48670, 49848, 52595, 58404, 62310, 63114, 73005, 77872, 83080, 84152, 97340, 99696, 105190, 116808, 124620, 126228, 146010, 157785, 166160, 168304, 194680, 210380, 233616, 249240, 252456, 292020, 315570, 326089, 389360, 420760, 498480, 504912, 584040, 631140, 652178, 841520, 978267, 1168080, 1262280, 1304356, 1630445, 1956534, 2524560, 2608712, 3260890, 3913068, 4891335, 5217424, 6521780, 7826136, 9782670, 13043560, 15652272, 19565340, 26087120, 39130680, 78261360]

約数ペア:

[(1, 78261360), (2, 39130680), (3, 26087120), (4, 19565340), (5, 15652272), (6, 13043560), (8, 9782670), (10, 7826136), (12, 6521780), (15, 5217424), (16, 4891335), (20, 3913068), (24, 3260890), (30, 2608712), (31, 2524560), (40, 1956534), (48, 1630445), (60, 1304356), (62, 1262280), (67, 1168080), (80, 978267), (93, 841520), (120, 652178), (124, 631140), (134, 584040), (155, 504912), (157, 498480), (186, 420760), (201, 389360), (240, 326089), (248, 315570), (268, 292020), (310, 252456), (314, 249240), (335, 233616), (372, 210380), (402, 194680), (465, 168304), (471, 166160), (496, 157785), (536, 146010), (620, 126228), (628, 124620), (670, 116808), (744, 105190), (785, 99696), (804, 97340), (930, 84152), (942, 83080), (1005, 77872), (1072, 73005), (1240, 63114), (1256, 62310), (1340, 58404), (1488, 52595), (1570, 49848), (1608, 48670), (1860, 42076), (1884, 41540), (2010, 38936), (2077, 37680), (2355, 33232), (2480, 31557), (2512, 31155), (2680, 29202), (3140, 24924), (3216, 24335), (3720, 21038), (3768, 20770), (4020, 19468), (4154, 18840), (4710, 16616), (4867, 16080), (5360, 14601), (6231, 12560), (6280, 12462), (7440, 10519), (7536, 10385), (8040, 9734), (8308, 9420)]