20551268400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3221}}^1$

素因数の和:3664

約数の個数: 240

約数和(自身を含む): 71092012320

約数和(自身を除く): 50540743920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 409, 520, 600, 624, 650, 780, 818, 975, 1040, 1200, 1227, 1300, 1560, 1636, 1950, 2045, 2454, 2600, 3120, 3221, 3272, 3900, 4090, 4908, 5200, 5317, 6135, 6442, 6544, 7800, 8180, 9663, 9816, 10225, 10634, 12270, 12884, 15600, 15951, 16105, 16360, 19326, 19632, 20450, 21268, 24540, 25768, 26585, 30675, 31902, 32210, 32720, 38652, 40900, 41873, 42536, 48315, 49080, 51536, 53170, 61350, 63804, 64420, 77304, 79755, 80525, 81800, 83746, 85072, 96630, 98160, 106340, 122700, 125619, 127608, 128840, 132925, 154608, 159510, 161050, 163600, 167492, 193260, 209365, 212680, 241575, 245400, 251238, 255216, 257680, 265850, 319020, 322100, 334984, 386520, 398775, 418730, 425360, 483150, 490800, 502476, 531700, 628095, 638040, 644200, 669968, 773040, 797550, 837460, 966300, 1004952, 1046825, 1063400, 1256190, 1276080, 1288400, 1317389, 1595100, 1674920, 1932600, 2009904, 2093650, 2126800, 2512380, 2634778, 3140475, 3190200, 3349840, 3865200, 3952167, 4187300, 5024760, 5269556, 6280950, 6380400, 6586945, 7904334, 8374600, 10049520, 10539112, 12561900, 13173890, 15808668, 16749200, 17126057, 19760835, 21078224, 25123800, 26347780, 31617336, 32934725, 34252114, 39521670, 50247600, 51378171, 52695560, 63234672, 65869450, 68504228, 79043340, 85630285, 98804175, 102756342, 105391120, 131738900, 137008456, 158086680, 171260570, 197608350, 205512684, 256890855, 263477800, 274016912, 316173360, 342521140, 395216700, 411025368, 428151425, 513781710, 526955600, 685042280, 790433400, 822050736, 856302850, 1027563420, 1284454275, 1370084560, 1580866800, 1712605700, 2055126840, 2568908550, 3425211400, 4110253680, 5137817100, 6850422800, 10275634200, 20551268400]

約数ペア:

[(1, 20551268400), (2, 10275634200), (3, 6850422800), (4, 5137817100), (5, 4110253680), (6, 3425211400), (8, 2568908550), (10, 2055126840), (12, 1712605700), (13, 1580866800), (15, 1370084560), (16, 1284454275), (20, 1027563420), (24, 856302850), (25, 822050736), (26, 790433400), (30, 685042280), (39, 526955600), (40, 513781710), (48, 428151425), (50, 411025368), (52, 395216700), (60, 342521140), (65, 316173360), (75, 274016912), (78, 263477800), (80, 256890855), (100, 205512684), (104, 197608350), (120, 171260570), (130, 158086680), (150, 137008456), (156, 131738900), (195, 105391120), (200, 102756342), (208, 98804175), (240, 85630285), (260, 79043340), (300, 68504228), (312, 65869450), (325, 63234672), (390, 52695560), (400, 51378171), (409, 50247600), (520, 39521670), (600, 34252114), (624, 32934725), (650, 31617336), (780, 26347780), (818, 25123800), (975, 21078224), (1040, 19760835), (1200, 17126057), (1227, 16749200), (1300, 15808668), (1560, 13173890), (1636, 12561900), (1950, 10539112), (2045, 10049520), (2454, 8374600), (2600, 7904334), (3120, 6586945), (3221, 6380400), (3272, 6280950), (3900, 5269556), (4090, 5024760), (4908, 4187300), (5200, 3952167), (5317, 3865200), (6135, 3349840), (6442, 3190200), (6544, 3140475), (7800, 2634778), (8180, 2512380), (9663, 2126800), (9816, 2093650), (10225, 2009904), (10634, 1932600), (12270, 1674920), (12884, 1595100), (15600, 1317389), (15951, 1288400), (16105, 1276080), (16360, 1256190), (19326, 1063400), (19632, 1046825), (20450, 1004952), (21268, 966300), (24540, 837460), (25768, 797550), (26585, 773040), (30675, 669968), (31902, 644200), (32210, 638040), (32720, 628095), (38652, 531700), (40900, 502476), (41873, 490800), (42536, 483150), (48315, 425360), (49080, 418730), (51536, 398775), (53170, 386520), (61350, 334984), (63804, 322100), (64420, 319020), (77304, 265850), (79755, 257680), (80525, 255216), (81800, 251238), (83746, 245400), (85072, 241575), (96630, 212680), (98160, 209365), (106340, 193260), (122700, 167492), (125619, 163600), (127608, 161050), (128840, 159510), (132925, 154608)]