259705320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{309173}}^1$

素因数の和:309194

約数の個数: 64

約数和(自身を含む): 890421120

約数和(自身を除く): 630715800

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, 309173, 618346, 927519, 1236692, 1545865, 1855038, 2164211, 2473384, 3091730, 3710076, 4328422, 4637595, 6183460, 6492633, 7420152, 8656844, 9275190, 10821055, 12366920, 12985266, 17313688, 18550380, 21642110, 25970532, 32463165, 37100760, 43284220, 51941064, 64926330, 86568440, 129852660, 259705320]

約数ペア:

[(1, 259705320), (2, 129852660), (3, 86568440), (4, 64926330), (5, 51941064), (6, 43284220), (7, 37100760), (8, 32463165), (10, 25970532), (12, 21642110), (14, 18550380), (15, 17313688), (20, 12985266), (21, 12366920), (24, 10821055), (28, 9275190), (30, 8656844), (35, 7420152), (40, 6492633), (42, 6183460), (56, 4637595), (60, 4328422), (70, 3710076), (84, 3091730), (105, 2473384), (120, 2164211), (140, 1855038), (168, 1545865), (210, 1236692), (280, 927519), (420, 618346), (840, 309173)]