305145960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{363269}}^1$

素因数の和:363290

約数の個数: 64

約数和(自身を含む): 1046217600

約数和(自身を除く): 741071640

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, 363269, 726538, 1089807, 1453076, 1816345, 2179614, 2542883, 2906152, 3632690, 4359228, 5085766, 5449035, 7265380, 7628649, 8718456, 10171532, 10898070, 12714415, 14530760, 15257298, 20343064, 21796140, 25428830, 30514596, 38143245, 43592280, 50857660, 61029192, 76286490, 101715320, 152572980, 305145960]

約数ペア:

[(1, 305145960), (2, 152572980), (3, 101715320), (4, 76286490), (5, 61029192), (6, 50857660), (7, 43592280), (8, 38143245), (10, 30514596), (12, 25428830), (14, 21796140), (15, 20343064), (20, 15257298), (21, 14530760), (24, 12714415), (28, 10898070), (30, 10171532), (35, 8718456), (40, 7628649), (42, 7265380), (56, 5449035), (60, 5085766), (70, 4359228), (84, 3632690), (105, 2906152), (120, 2542883), (140, 2179614), (168, 1816345), (210, 1453076), (280, 1089807), (420, 726538), (840, 363269)]