8170680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 28615680

約数和(自身を除く): 20445000

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, 70, 71, 84, 105, 120, 137, 140, 142, 168, 210, 213, 274, 280, 284, 355, 411, 420, 426, 497, 548, 568, 685, 710, 822, 840, 852, 959, 994, 1065, 1096, 1370, 1420, 1491, 1644, 1704, 1918, 1988, 2055, 2130, 2485, 2740, 2840, 2877, 2982, 3288, 3836, 3976, 4110, 4260, 4795, 4970, 5480, 5754, 5964, 7455, 7672, 8220, 8520, 9590, 9727, 9940, 11508, 11928, 14385, 14910, 16440, 19180, 19454, 19880, 23016, 28770, 29181, 29820, 38360, 38908, 48635, 57540, 58362, 59640, 68089, 77816, 97270, 115080, 116724, 136178, 145905, 194540, 204267, 233448, 272356, 291810, 340445, 389080, 408534, 544712, 583620, 680890, 817068, 1021335, 1167240, 1361780, 1634136, 2042670, 2723560, 4085340, 8170680]

約数ペア:

[(1, 8170680), (2, 4085340), (3, 2723560), (4, 2042670), (5, 1634136), (6, 1361780), (7, 1167240), (8, 1021335), (10, 817068), (12, 680890), (14, 583620), (15, 544712), (20, 408534), (21, 389080), (24, 340445), (28, 291810), (30, 272356), (35, 233448), (40, 204267), (42, 194540), (56, 145905), (60, 136178), (70, 116724), (71, 115080), (84, 97270), (105, 77816), (120, 68089), (137, 59640), (140, 58362), (142, 57540), (168, 48635), (210, 38908), (213, 38360), (274, 29820), (280, 29181), (284, 28770), (355, 23016), (411, 19880), (420, 19454), (426, 19180), (497, 16440), (548, 14910), (568, 14385), (685, 11928), (710, 11508), (822, 9940), (840, 9727), (852, 9590), (959, 8520), (994, 8220), (1065, 7672), (1096, 7455), (1370, 5964), (1420, 5754), (1491, 5480), (1644, 4970), (1704, 4795), (1918, 4260), (1988, 4110), (2055, 3976), (2130, 3836), (2485, 3288), (2740, 2982), (2840, 2877)]