1801970520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{2251}}^1$

素因数の和:3225

約数の個数: 128

約数和(自身を含む): 6187415040

約数和(自身を除く): 4385444520

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, 953, 1906, 2251, 2859, 3812, 4502, 4765, 5718, 6671, 6753, 7624, 9004, 9530, 11255, 11436, 13342, 13506, 14295, 15757, 18008, 19060, 20013, 22510, 22872, 26684, 27012, 28590, 31514, 33355, 33765, 38120, 40026, 45020, 47271, 53368, 54024, 57180, 63028, 66710, 67530, 78785, 80052, 90040, 94542, 100065, 114360, 126056, 133420, 135060, 157570, 160104, 189084, 200130, 236355, 266840, 270120, 315140, 378168, 400260, 472710, 630280, 800520, 945420, 1890840, 2145203, 4290406, 6435609, 8580812, 10726015, 12871218, 15016421, 17161624, 21452030, 25742436, 30032842, 32178045, 42904060, 45049263, 51484872, 60065684, 64356090, 75082105, 85808120, 90098526, 120131368, 128712180, 150164210, 180197052, 225246315, 257424360, 300328420, 360394104, 450492630, 600656840, 900985260, 1801970520]

約数ペア:

[(1, 1801970520), (2, 900985260), (3, 600656840), (4, 450492630), (5, 360394104), (6, 300328420), (7, 257424360), (8, 225246315), (10, 180197052), (12, 150164210), (14, 128712180), (15, 120131368), (20, 90098526), (21, 85808120), (24, 75082105), (28, 64356090), (30, 60065684), (35, 51484872), (40, 45049263), (42, 42904060), (56, 32178045), (60, 30032842), (70, 25742436), (84, 21452030), (105, 17161624), (120, 15016421), (140, 12871218), (168, 10726015), (210, 8580812), (280, 6435609), (420, 4290406), (840, 2145203), (953, 1890840), (1906, 945420), (2251, 800520), (2859, 630280), (3812, 472710), (4502, 400260), (4765, 378168), (5718, 315140), (6671, 270120), (6753, 266840), (7624, 236355), (9004, 200130), (9530, 189084), (11255, 160104), (11436, 157570), (13342, 135060), (13506, 133420), (14295, 126056), (15757, 114360), (18008, 100065), (19060, 94542), (20013, 90040), (22510, 80052), (22872, 78785), (26684, 67530), (27012, 66710), (28590, 63028), (31514, 57180), (33355, 54024), (33765, 53368), (38120, 47271), (40026, 45020)]