81923400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 307206900

約数和(自身を除く): 225283500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 162, 180, 195, 200, 216, 225, 234, 260, 270, 300, 312, 324, 325, 351, 360, 389, 390, 405, 450, 468, 520, 540, 585, 600, 648, 650, 675, 702, 778, 780, 810, 900, 936, 975, 1053, 1080, 1167, 1170, 1300, 1350, 1404, 1556, 1560, 1620, 1755, 1800, 1945, 1950, 2025, 2106, 2334, 2340, 2600, 2700, 2808, 2925, 3112, 3240, 3501, 3510, 3890, 3900, 4050, 4212, 4668, 4680, 5057, 5265, 5400, 5835, 5850, 7002, 7020, 7780, 7800, 8100, 8424, 8775, 9336, 9725, 10114, 10503, 10530, 11670, 11700, 14004, 14040, 15171, 15560, 16200, 17505, 17550, 19450, 20228, 21006, 21060, 23340, 23400, 25285, 26325, 28008, 29175, 30342, 31509, 35010, 35100, 38900, 40456, 42012, 42120, 45513, 46680, 50570, 52515, 52650, 58350, 60684, 63018, 70020, 70200, 75855, 77800, 84024, 87525, 91026, 101140, 105030, 105300, 116700, 121368, 126036, 126425, 136539, 140040, 151710, 157545, 175050, 182052, 202280, 210060, 210600, 227565, 233400, 252072, 252850, 262575, 273078, 303420, 315090, 350100, 364104, 379275, 409617, 420120, 455130, 505700, 525150, 546156, 606840, 630180, 682695, 700200, 758550, 787725, 819234, 910260, 1011400, 1050300, 1092312, 1137825, 1260360, 1365390, 1517100, 1575450, 1638468, 1820520, 2048085, 2100600, 2275650, 2730780, 3034200, 3150900, 3276936, 3413475, 4096170, 4551300, 5461560, 6301800, 6826950, 8192340, 9102600, 10240425, 13653900, 16384680, 20480850, 27307800, 40961700, 81923400]

約数ペア:

[(1, 81923400), (2, 40961700), (3, 27307800), (4, 20480850), (5, 16384680), (6, 13653900), (8, 10240425), (9, 9102600), (10, 8192340), (12, 6826950), (13, 6301800), (15, 5461560), (18, 4551300), (20, 4096170), (24, 3413475), (25, 3276936), (26, 3150900), (27, 3034200), (30, 2730780), (36, 2275650), (39, 2100600), (40, 2048085), (45, 1820520), (50, 1638468), (52, 1575450), (54, 1517100), (60, 1365390), (65, 1260360), (72, 1137825), (75, 1092312), (78, 1050300), (81, 1011400), (90, 910260), (100, 819234), (104, 787725), (108, 758550), (117, 700200), (120, 682695), (130, 630180), (135, 606840), (150, 546156), (156, 525150), (162, 505700), (180, 455130), (195, 420120), (200, 409617), (216, 379275), (225, 364104), (234, 350100), (260, 315090), (270, 303420), (300, 273078), (312, 262575), (324, 252850), (325, 252072), (351, 233400), (360, 227565), (389, 210600), (390, 210060), (405, 202280), (450, 182052), (468, 175050), (520, 157545), (540, 151710), (585, 140040), (600, 136539), (648, 126425), (650, 126036), (675, 121368), (702, 116700), (778, 105300), (780, 105030), (810, 101140), (900, 91026), (936, 87525), (975, 84024), (1053, 77800), (1080, 75855), (1167, 70200), (1170, 70020), (1300, 63018), (1350, 60684), (1404, 58350), (1556, 52650), (1560, 52515), (1620, 50570), (1755, 46680), (1800, 45513), (1945, 42120), (1950, 42012), (2025, 40456), (2106, 38900), (2334, 35100), (2340, 35010), (2600, 31509), (2700, 30342), (2808, 29175), (2925, 28008), (3112, 26325), (3240, 25285), (3501, 23400), (3510, 23340), (3890, 21060), (3900, 21006), (4050, 20228), (4212, 19450), (4668, 17550), (4680, 17505), (5057, 16200), (5265, 15560), (5400, 15171), (5835, 14040), (5850, 14004), (7002, 11700), (7020, 11670), (7780, 10530), (7800, 10503), (8100, 10114), (8424, 9725), (8775, 9336)]