164353560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195659}}^1$

素因数の和:195680

約数の個数: 64

約数和(自身を含む): 563500800

約数和(自身を除く): 399147240

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, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195659, 391318, 586977, 782636, 978295, 1173954, 1369613, 1565272, 1956590, 2347908, 2739226, 2934885, 3913180, 4108839, 4695816, 5478452, 5869770, 6848065, 7826360, 8217678, 10956904, 11739540, 13696130, 16435356, 20544195, 23479080, 27392260, 32870712, 41088390, 54784520, 82176780, 164353560]

約数ペア:

[(1, 164353560), (2, 82176780), (3, 54784520), (4, 41088390), (5, 32870712), (6, 27392260), (7, 23479080), (8, 20544195), (10, 16435356), (12, 13696130), (14, 11739540), (15, 10956904), (20, 8217678), (21, 7826360), (24, 6848065), (28, 5869770), (30, 5478452), (35, 4695816), (40, 4108839), (42, 3913180), (56, 2934885), (60, 2739226), (70, 2347908), (84, 1956590), (105, 1565272), (120, 1369613), (140, 1173954), (168, 978295), (210, 782636), (280, 586977), (420, 391318), (840, 195659)]