258832980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205423}}^1$

素因数の和:205445

約数の個数: 72

約数和(自身を含む): 897292032

約数和(自身を除く): 638459052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 205423, 410846, 616269, 821692, 1027115, 1232538, 1437961, 1848807, 2054230, 2465076, 2875922, 3081345, 3697614, 4108460, 4313883, 5751844, 6162690, 7189805, 7395228, 8627766, 9244035, 12325380, 12941649, 14379610, 17255532, 18488070, 21569415, 25883298, 28759220, 36976140, 43138830, 51766596, 64708245, 86277660, 129416490, 258832980]

約数ペア:

[(1, 258832980), (2, 129416490), (3, 86277660), (4, 64708245), (5, 51766596), (6, 43138830), (7, 36976140), (9, 28759220), (10, 25883298), (12, 21569415), (14, 18488070), (15, 17255532), (18, 14379610), (20, 12941649), (21, 12325380), (28, 9244035), (30, 8627766), (35, 7395228), (36, 7189805), (42, 6162690), (45, 5751844), (60, 4313883), (63, 4108460), (70, 3697614), (84, 3081345), (90, 2875922), (105, 2465076), (126, 2054230), (140, 1848807), (180, 1437961), (210, 1232538), (252, 1027115), (315, 821692), (420, 616269), (630, 410846), (1260, 205423)]