1428130480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2787

約数の個数: 120

約数和(自身を含む): 3891782160

約数和(自身を除く): 2463651680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 139, 140, 196, 245, 278, 280, 392, 490, 556, 560, 695, 784, 973, 980, 1112, 1390, 1946, 1960, 2224, 2621, 2780, 3892, 3920, 4865, 5242, 5560, 6811, 7784, 9730, 10484, 11120, 13105, 13622, 15568, 18347, 19460, 20968, 26210, 27244, 34055, 36694, 38920, 41936, 52420, 54488, 68110, 73388, 77840, 91735, 104840, 108976, 128429, 136220, 146776, 183470, 209680, 256858, 272440, 293552, 364319, 366940, 513716, 544880, 642145, 728638, 733880, 1027432, 1284290, 1457276, 1467760, 1821595, 2054864, 2550233, 2568580, 2914552, 3643190, 5100466, 5137160, 5829104, 7286380, 10200932, 10274320, 12751165, 14572760, 17851631, 20401864, 25502330, 29145520, 35703262, 40803728, 51004660, 71406524, 89258155, 102009320, 142813048, 178516310, 204018640, 285626096, 357032620, 714065240, 1428130480]

約数ペア:

[(1, 1428130480), (2, 714065240), (4, 357032620), (5, 285626096), (7, 204018640), (8, 178516310), (10, 142813048), (14, 102009320), (16, 89258155), (20, 71406524), (28, 51004660), (35, 40803728), (40, 35703262), (49, 29145520), (56, 25502330), (70, 20401864), (80, 17851631), (98, 14572760), (112, 12751165), (139, 10274320), (140, 10200932), (196, 7286380), (245, 5829104), (278, 5137160), (280, 5100466), (392, 3643190), (490, 2914552), (556, 2568580), (560, 2550233), (695, 2054864), (784, 1821595), (973, 1467760), (980, 1457276), (1112, 1284290), (1390, 1027432), (1946, 733880), (1960, 728638), (2224, 642145), (2621, 544880), (2780, 513716), (3892, 366940), (3920, 364319), (4865, 293552), (5242, 272440), (5560, 256858), (6811, 209680), (7784, 183470), (9730, 146776), (10484, 136220), (11120, 128429), (13105, 108976), (13622, 104840), (15568, 91735), (18347, 77840), (19460, 73388), (20968, 68110), (26210, 54488), (27244, 52420), (34055, 41936), (36694, 38920)]