120705320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 282147840

約数和(自身を除く): 161442520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 311, 313, 620, 622, 626, 1240, 1244, 1252, 1555, 1565, 2488, 2504, 3110, 3130, 6220, 6260, 9641, 9703, 12440, 12520, 19282, 19406, 38564, 38812, 48205, 48515, 77128, 77624, 96410, 97030, 97343, 192820, 194060, 194686, 385640, 388120, 389372, 486715, 778744, 973430, 1946860, 3017633, 3893720, 6035266, 12070532, 15088165, 24141064, 30176330, 60352660, 120705320]

約数ペア:

[(1, 120705320), (2, 60352660), (4, 30176330), (5, 24141064), (8, 15088165), (10, 12070532), (20, 6035266), (31, 3893720), (40, 3017633), (62, 1946860), (124, 973430), (155, 778744), (248, 486715), (310, 389372), (311, 388120), (313, 385640), (620, 194686), (622, 194060), (626, 192820), (1240, 97343), (1244, 97030), (1252, 96410), (1555, 77624), (1565, 77128), (2488, 48515), (2504, 48205), (3110, 38812), (3130, 38564), (6220, 19406), (6260, 19282), (9641, 12520), (9703, 12440)]