256439478540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32135273}}^1$

素因数の和:32135311

約数の個数: 96

約数和(自身を含む): 863796165120

約数和(自身を除く): 607356686580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 32135273, 64270546, 96405819, 128541092, 160676365, 192811638, 224946911, 321352730, 385623276, 449893822, 482029095, 610570187, 642705460, 674840733, 899787644, 964058190, 1124734555, 1221140374, 1349681466, 1831710561, 1928116380, 2249469110, 2442280748, 2699362932, 3052850935, 3374203665, 3663421122, 4273991309, 4498938220, 6105701870, 6748407330, 7326842244, 8547982618, 9158552805, 12211403740, 12821973927, 13496814660, 17095965236, 18317105610, 21369956545, 25643947854, 36634211220, 42739913090, 51287895708, 64109869635, 85479826180, 128219739270, 256439478540]

約数ペア:

[(1, 256439478540), (2, 128219739270), (3, 85479826180), (4, 64109869635), (5, 51287895708), (6, 42739913090), (7, 36634211220), (10, 25643947854), (12, 21369956545), (14, 18317105610), (15, 17095965236), (19, 13496814660), (20, 12821973927), (21, 12211403740), (28, 9158552805), (30, 8547982618), (35, 7326842244), (38, 6748407330), (42, 6105701870), (57, 4498938220), (60, 4273991309), (70, 3663421122), (76, 3374203665), (84, 3052850935), (95, 2699362932), (105, 2442280748), (114, 2249469110), (133, 1928116380), (140, 1831710561), (190, 1349681466), (210, 1221140374), (228, 1124734555), (266, 964058190), (285, 899787644), (380, 674840733), (399, 642705460), (420, 610570187), (532, 482029095), (570, 449893822), (665, 385623276), (798, 321352730), (1140, 224946911), (1330, 192811638), (1596, 160676365), (1995, 128541092), (2660, 96405819), (3990, 64270546), (7980, 32135273)]