123872280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 256

約数和(自身を含む): 451215360

約数和(自身を除く): 327343080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 67, 70, 71, 84, 93, 105, 120, 124, 134, 140, 142, 155, 168, 186, 201, 210, 213, 217, 248, 268, 280, 284, 310, 335, 355, 372, 402, 420, 426, 434, 465, 469, 497, 536, 568, 620, 651, 670, 710, 744, 804, 840, 852, 868, 930, 938, 994, 1005, 1065, 1085, 1240, 1302, 1340, 1407, 1420, 1491, 1608, 1704, 1736, 1860, 1876, 1988, 2010, 2077, 2130, 2170, 2201, 2345, 2485, 2604, 2680, 2814, 2840, 2982, 3255, 3720, 3752, 3976, 4020, 4154, 4260, 4340, 4402, 4690, 4757, 4970, 5208, 5628, 5964, 6231, 6510, 6603, 7035, 7455, 8040, 8308, 8520, 8680, 8804, 9380, 9514, 9940, 10385, 11005, 11256, 11928, 12462, 13020, 13206, 14070, 14271, 14539, 14910, 15407, 16616, 17608, 18760, 19028, 19880, 20770, 22010, 23785, 24924, 26040, 26412, 28140, 28542, 29078, 29820, 30814, 31155, 33015, 33299, 38056, 41540, 43617, 44020, 46221, 47570, 49848, 52824, 56280, 57084, 58156, 59640, 61628, 62310, 66030, 66598, 71355, 72695, 77035, 83080, 87234, 88040, 92442, 95140, 99897, 114168, 116312, 123256, 124620, 132060, 133196, 142710, 145390, 147467, 154070, 166495, 174468, 184884, 190280, 199794, 218085, 231105, 249240, 264120, 266392, 285420, 290780, 294934, 308140, 332990, 348936, 369768, 399588, 436170, 442401, 462210, 499485, 570840, 581560, 589868, 616280, 665980, 737335, 799176, 872340, 884802, 924420, 998970, 1032269, 1179736, 1331960, 1474670, 1744680, 1769604, 1848840, 1997940, 2064538, 2212005, 2949340, 3096807, 3539208, 3995880, 4129076, 4424010, 5161345, 5898680, 6193614, 8258152, 8848020, 10322690, 12387228, 15484035, 17696040, 20645380, 24774456, 30968070, 41290760, 61936140, 123872280]

約数ペア:

[(1, 123872280), (2, 61936140), (3, 41290760), (4, 30968070), (5, 24774456), (6, 20645380), (7, 17696040), (8, 15484035), (10, 12387228), (12, 10322690), (14, 8848020), (15, 8258152), (20, 6193614), (21, 5898680), (24, 5161345), (28, 4424010), (30, 4129076), (31, 3995880), (35, 3539208), (40, 3096807), (42, 2949340), (56, 2212005), (60, 2064538), (62, 1997940), (67, 1848840), (70, 1769604), (71, 1744680), (84, 1474670), (93, 1331960), (105, 1179736), (120, 1032269), (124, 998970), (134, 924420), (140, 884802), (142, 872340), (155, 799176), (168, 737335), (186, 665980), (201, 616280), (210, 589868), (213, 581560), (217, 570840), (248, 499485), (268, 462210), (280, 442401), (284, 436170), (310, 399588), (335, 369768), (355, 348936), (372, 332990), (402, 308140), (420, 294934), (426, 290780), (434, 285420), (465, 266392), (469, 264120), (497, 249240), (536, 231105), (568, 218085), (620, 199794), (651, 190280), (670, 184884), (710, 174468), (744, 166495), (804, 154070), (840, 147467), (852, 145390), (868, 142710), (930, 133196), (938, 132060), (994, 124620), (1005, 123256), (1065, 116312), (1085, 114168), (1240, 99897), (1302, 95140), (1340, 92442), (1407, 88040), (1420, 87234), (1491, 83080), (1608, 77035), (1704, 72695), (1736, 71355), (1860, 66598), (1876, 66030), (1988, 62310), (2010, 61628), (2077, 59640), (2130, 58156), (2170, 57084), (2201, 56280), (2345, 52824), (2485, 49848), (2604, 47570), (2680, 46221), (2814, 44020), (2840, 43617), (2982, 41540), (3255, 38056), (3720, 33299), (3752, 33015), (3976, 31155), (4020, 30814), (4154, 29820), (4260, 29078), (4340, 28542), (4402, 28140), (4690, 26412), (4757, 26040), (4970, 24924), (5208, 23785), (5628, 22010), (5964, 20770), (6231, 19880), (6510, 19028), (6603, 18760), (7035, 17608), (7455, 16616), (8040, 15407), (8308, 14910), (8520, 14539), (8680, 14271), (8804, 14070), (9380, 13206), (9514, 13020), (9940, 12462), (10385, 11928), (11005, 11256)]