3995880

素因数分解:

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

素因数の和:159

約数の個数: 128

約数和(自身を含む): 14100480

約数和(自身を除く): 10104600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 71, 84, 105, 120, 134, 140, 142, 168, 201, 210, 213, 268, 280, 284, 335, 355, 402, 420, 426, 469, 497, 536, 568, 670, 710, 804, 840, 852, 938, 994, 1005, 1065, 1340, 1407, 1420, 1491, 1608, 1704, 1876, 1988, 2010, 2130, 2345, 2485, 2680, 2814, 2840, 2982, 3752, 3976, 4020, 4260, 4690, 4757, 4970, 5628, 5964, 7035, 7455, 8040, 8520, 9380, 9514, 9940, 11256, 11928, 14070, 14271, 14910, 18760, 19028, 19880, 23785, 28140, 28542, 29820, 33299, 38056, 47570, 56280, 57084, 59640, 66598, 71355, 95140, 99897, 114168, 133196, 142710, 166495, 190280, 199794, 266392, 285420, 332990, 399588, 499485, 570840, 665980, 799176, 998970, 1331960, 1997940, 3995880]

約数ペア:

[(1, 3995880), (2, 1997940), (3, 1331960), (4, 998970), (5, 799176), (6, 665980), (7, 570840), (8, 499485), (10, 399588), (12, 332990), (14, 285420), (15, 266392), (20, 199794), (21, 190280), (24, 166495), (28, 142710), (30, 133196), (35, 114168), (40, 99897), (42, 95140), (56, 71355), (60, 66598), (67, 59640), (70, 57084), (71, 56280), (84, 47570), (105, 38056), (120, 33299), (134, 29820), (140, 28542), (142, 28140), (168, 23785), (201, 19880), (210, 19028), (213, 18760), (268, 14910), (280, 14271), (284, 14070), (335, 11928), (355, 11256), (402, 9940), (420, 9514), (426, 9380), (469, 8520), (497, 8040), (536, 7455), (568, 7035), (670, 5964), (710, 5628), (804, 4970), (840, 4757), (852, 4690), (938, 4260), (994, 4020), (1005, 3976), (1065, 3752), (1340, 2982), (1407, 2840), (1420, 2814), (1491, 2680), (1608, 2485), (1704, 2345), (1876, 2130), (1988, 2010)]