1640986480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{1093}}^1$

素因数の和:1503

約数の個数: 120

約数和(自身を含む): 4453857792

約数和(自身を除く): 2812871312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 383, 392, 490, 560, 766, 784, 980, 1093, 1532, 1915, 1960, 2186, 2681, 3064, 3830, 3920, 4372, 5362, 5465, 6128, 7651, 7660, 8744, 10724, 10930, 13405, 15302, 15320, 17488, 18767, 21448, 21860, 26810, 30604, 30640, 37534, 38255, 42896, 43720, 53557, 53620, 61208, 75068, 76510, 87440, 93835, 107114, 107240, 122416, 150136, 153020, 187670, 214228, 214480, 267785, 300272, 306040, 375340, 418619, 428456, 535570, 612080, 750680, 837238, 856912, 1071140, 1501360, 1674476, 2093095, 2142280, 2930333, 3348952, 4186190, 4284560, 5860666, 6697904, 8372380, 11721332, 14651665, 16744760, 20512331, 23442664, 29303330, 33489520, 41024662, 46885328, 58606660, 82049324, 102561655, 117213320, 164098648, 205123310, 234426640, 328197296, 410246620, 820493240, 1640986480]

約数ペア:

[(1, 1640986480), (2, 820493240), (4, 410246620), (5, 328197296), (7, 234426640), (8, 205123310), (10, 164098648), (14, 117213320), (16, 102561655), (20, 82049324), (28, 58606660), (35, 46885328), (40, 41024662), (49, 33489520), (56, 29303330), (70, 23442664), (80, 20512331), (98, 16744760), (112, 14651665), (140, 11721332), (196, 8372380), (245, 6697904), (280, 5860666), (383, 4284560), (392, 4186190), (490, 3348952), (560, 2930333), (766, 2142280), (784, 2093095), (980, 1674476), (1093, 1501360), (1532, 1071140), (1915, 856912), (1960, 837238), (2186, 750680), (2681, 612080), (3064, 535570), (3830, 428456), (3920, 418619), (4372, 375340), (5362, 306040), (5465, 300272), (6128, 267785), (7651, 214480), (7660, 214228), (8744, 187670), (10724, 153020), (10930, 150136), (13405, 122416), (15302, 107240), (15320, 107114), (17488, 93835), (18767, 87440), (21448, 76510), (21860, 75068), (26810, 61208), (30604, 53620), (30640, 53557), (37534, 43720), (38255, 42896)]