1905960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2269}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 6537600

約数和(自身を除く): 4631640

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, 2269, 4538, 6807, 9076, 11345, 13614, 15883, 18152, 22690, 27228, 31766, 34035, 45380, 47649, 54456, 63532, 68070, 79415, 90760, 95298, 127064, 136140, 158830, 190596, 238245, 272280, 317660, 381192, 476490, 635320, 952980, 1905960]

約数ペア:

[(1, 1905960), (2, 952980), (3, 635320), (4, 476490), (5, 381192), (6, 317660), (7, 272280), (8, 238245), (10, 190596), (12, 158830), (14, 136140), (15, 127064), (20, 95298), (21, 90760), (24, 79415), (28, 68070), (30, 63532), (35, 54456), (40, 47649), (42, 45380), (56, 34035), (60, 31766), (70, 27228), (84, 22690), (105, 18152), (120, 15883), (140, 13614), (168, 11345), (210, 9076), (280, 6807), (420, 4538), (840, 2269)]