225960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 777600

約数和(自身を除く): 551640

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, 269, 280, 420, 538, 807, 840, 1076, 1345, 1614, 1883, 2152, 2690, 3228, 3766, 4035, 5380, 5649, 6456, 7532, 8070, 9415, 10760, 11298, 15064, 16140, 18830, 22596, 28245, 32280, 37660, 45192, 56490, 75320, 112980, 225960]

約数ペア:

[(1, 225960), (2, 112980), (3, 75320), (4, 56490), (5, 45192), (6, 37660), (7, 32280), (8, 28245), (10, 22596), (12, 18830), (14, 16140), (15, 15064), (20, 11298), (21, 10760), (24, 9415), (28, 8070), (30, 7532), (35, 6456), (40, 5649), (42, 5380), (56, 4035), (60, 3766), (70, 3228), (84, 2690), (105, 2152), (120, 1883), (140, 1614), (168, 1345), (210, 1076), (269, 840), (280, 807), (420, 538)]