20765984880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{5011}}^1$

素因数の和:5615

約数の個数: 160

約数和(自身を含む): 66583738368

約数和(自身を除く): 45817753488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 557, 620, 744, 930, 1114, 1240, 1488, 1671, 1860, 2228, 2480, 2785, 3342, 3720, 4456, 5011, 5570, 6684, 7440, 8355, 8912, 10022, 11140, 13368, 15033, 16710, 17267, 20044, 22280, 25055, 26736, 30066, 33420, 34534, 40088, 44560, 50110, 51801, 60132, 66840, 69068, 75165, 80176, 86335, 100220, 103602, 120264, 133680, 138136, 150330, 155341, 172670, 200440, 207204, 240528, 259005, 276272, 300660, 310682, 345340, 400880, 414408, 466023, 518010, 601320, 621364, 690680, 776705, 828816, 932046, 1036020, 1202640, 1242728, 1381360, 1553410, 1864092, 2072040, 2330115, 2485456, 2791127, 3106820, 3728184, 4144080, 4660230, 5582254, 6213640, 7456368, 8373381, 9320460, 11164508, 12427280, 13955635, 16746762, 18640920, 22329016, 27911270, 33493524, 37281840, 41866905, 44658032, 55822540, 66987048, 83733810, 86524937, 111645080, 133974096, 167467620, 173049874, 223290160, 259574811, 334935240, 346099748, 432624685, 519149622, 669870480, 692199496, 865249370, 1038299244, 1297874055, 1384398992, 1730498740, 2076598488, 2595748110, 3460997480, 4153196976, 5191496220, 6921994960, 10382992440, 20765984880]

約数ペア:

[(1, 20765984880), (2, 10382992440), (3, 6921994960), (4, 5191496220), (5, 4153196976), (6, 3460997480), (8, 2595748110), (10, 2076598488), (12, 1730498740), (15, 1384398992), (16, 1297874055), (20, 1038299244), (24, 865249370), (30, 692199496), (31, 669870480), (40, 519149622), (48, 432624685), (60, 346099748), (62, 334935240), (80, 259574811), (93, 223290160), (120, 173049874), (124, 167467620), (155, 133974096), (186, 111645080), (240, 86524937), (248, 83733810), (310, 66987048), (372, 55822540), (465, 44658032), (496, 41866905), (557, 37281840), (620, 33493524), (744, 27911270), (930, 22329016), (1114, 18640920), (1240, 16746762), (1488, 13955635), (1671, 12427280), (1860, 11164508), (2228, 9320460), (2480, 8373381), (2785, 7456368), (3342, 6213640), (3720, 5582254), (4456, 4660230), (5011, 4144080), (5570, 3728184), (6684, 3106820), (7440, 2791127), (8355, 2485456), (8912, 2330115), (10022, 2072040), (11140, 1864092), (13368, 1553410), (15033, 1381360), (16710, 1242728), (17267, 1202640), (20044, 1036020), (22280, 932046), (25055, 828816), (26736, 776705), (30066, 690680), (33420, 621364), (34534, 601320), (40088, 518010), (44560, 466023), (50110, 414408), (51801, 400880), (60132, 345340), (66840, 310682), (69068, 300660), (75165, 276272), (80176, 259005), (86335, 240528), (100220, 207204), (103602, 200440), (120264, 172670), (133680, 155341), (138136, 150330)]