78311940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1517

約数の個数: 96

約数和(自身を含む): 252612864

約数和(自身を除く): 174300924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 411, 420, 548, 685, 822, 959, 1361, 1370, 1644, 1918, 2055, 2722, 2740, 2877, 3836, 4083, 4110, 4795, 5444, 5754, 6805, 8166, 8220, 9527, 9590, 11508, 13610, 14385, 16332, 19054, 19180, 20415, 27220, 28581, 28770, 38108, 40830, 47635, 57162, 57540, 81660, 95270, 114324, 142905, 186457, 190540, 285810, 372914, 559371, 571620, 745828, 932285, 1118742, 1305199, 1864570, 2237484, 2610398, 2796855, 3729140, 3915597, 5220796, 5593710, 6525995, 7831194, 11187420, 13051990, 15662388, 19577985, 26103980, 39155970, 78311940]

約数ペア:

[(1, 78311940), (2, 39155970), (3, 26103980), (4, 19577985), (5, 15662388), (6, 13051990), (7, 11187420), (10, 7831194), (12, 6525995), (14, 5593710), (15, 5220796), (20, 3915597), (21, 3729140), (28, 2796855), (30, 2610398), (35, 2237484), (42, 1864570), (60, 1305199), (70, 1118742), (84, 932285), (105, 745828), (137, 571620), (140, 559371), (210, 372914), (274, 285810), (411, 190540), (420, 186457), (548, 142905), (685, 114324), (822, 95270), (959, 81660), (1361, 57540), (1370, 57162), (1644, 47635), (1918, 40830), (2055, 38108), (2722, 28770), (2740, 28581), (2877, 27220), (3836, 20415), (4083, 19180), (4110, 19054), (4795, 16332), (5444, 14385), (5754, 13610), (6805, 11508), (8166, 9590), (8220, 9527)]