390740560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1319}}^1$

素因数の和:1385

約数の個数: 120

約数和(自身を含む): 1086180480

約数和(自身を除く): 695439920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 529, 560, 644, 805, 920, 1058, 1288, 1319, 1610, 1840, 2116, 2576, 2638, 2645, 3220, 3703, 4232, 5276, 5290, 6440, 6595, 7406, 8464, 9233, 10552, 10580, 12880, 13190, 14812, 18466, 18515, 21104, 21160, 26380, 29624, 30337, 36932, 37030, 42320, 46165, 52760, 59248, 60674, 73864, 74060, 92330, 105520, 121348, 147728, 148120, 151685, 184660, 212359, 242696, 296240, 303370, 369320, 424718, 485392, 606740, 697751, 738640, 849436, 1061795, 1213480, 1395502, 1698872, 2123590, 2426960, 2791004, 3397744, 3488755, 4247180, 4884257, 5582008, 6977510, 8494360, 9768514, 11164016, 13955020, 16988720, 19537028, 24421285, 27910040, 39074056, 48842570, 55820080, 78148112, 97685140, 195370280, 390740560]

約数ペア:

[(1, 390740560), (2, 195370280), (4, 97685140), (5, 78148112), (7, 55820080), (8, 48842570), (10, 39074056), (14, 27910040), (16, 24421285), (20, 19537028), (23, 16988720), (28, 13955020), (35, 11164016), (40, 9768514), (46, 8494360), (56, 6977510), (70, 5582008), (80, 4884257), (92, 4247180), (112, 3488755), (115, 3397744), (140, 2791004), (161, 2426960), (184, 2123590), (230, 1698872), (280, 1395502), (322, 1213480), (368, 1061795), (460, 849436), (529, 738640), (560, 697751), (644, 606740), (805, 485392), (920, 424718), (1058, 369320), (1288, 303370), (1319, 296240), (1610, 242696), (1840, 212359), (2116, 184660), (2576, 151685), (2638, 148120), (2645, 147728), (3220, 121348), (3703, 105520), (4232, 92330), (5276, 74060), (5290, 73864), (6440, 60674), (6595, 59248), (7406, 52760), (8464, 46165), (9233, 42320), (10552, 37030), (10580, 36932), (12880, 30337), (13190, 29624), (14812, 26380), (18466, 21160), (18515, 21104)]