320743800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1564

約数の個数: 240

約数和(自身を含む): 1200470040

約数和(自身を除く): 879726240

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, 390, 405, 450, 468, 520, 540, 585, 600, 648, 650, 675, 702, 780, 810, 900, 936, 975, 1053, 1080, 1170, 1300, 1350, 1404, 1523, 1560, 1620, 1755, 1800, 1950, 2025, 2106, 2340, 2600, 2700, 2808, 2925, 3046, 3240, 3510, 3900, 4050, 4212, 4569, 4680, 5265, 5400, 5850, 6092, 7020, 7615, 7800, 8100, 8424, 8775, 9138, 10530, 11700, 12184, 13707, 14040, 15230, 16200, 17550, 18276, 19799, 21060, 22845, 23400, 26325, 27414, 30460, 35100, 36552, 38075, 39598, 41121, 42120, 45690, 52650, 54828, 59397, 60920, 68535, 70200, 76150, 79196, 82242, 91380, 98995, 105300, 109656, 114225, 118794, 123363, 137070, 152300, 158392, 164484, 178191, 182760, 197990, 205605, 210600, 228450, 237588, 246726, 274140, 296985, 304600, 328968, 342675, 356382, 395980, 411210, 456900, 475176, 493452, 494975, 534573, 548280, 593970, 616815, 685350, 712764, 791960, 822420, 890955, 913800, 986904, 989950, 1028025, 1069146, 1187940, 1233630, 1370700, 1425528, 1484925, 1603719, 1644840, 1781910, 1979900, 2056050, 2138292, 2375880, 2467260, 2672865, 2741400, 2969850, 3084075, 3207438, 3563820, 3959800, 4112100, 4276584, 4454775, 4934520, 5345730, 5939700, 6168150, 6414876, 7127640, 8018595, 8224200, 8909550, 10691460, 11879400, 12336300, 12829752, 13364325, 16037190, 17819100, 21382920, 24672600, 26728650, 32074380, 35638200, 40092975, 53457300, 64148760, 80185950, 106914600, 160371900, 320743800]

約数ペア:

[(1, 320743800), (2, 160371900), (3, 106914600), (4, 80185950), (5, 64148760), (6, 53457300), (8, 40092975), (9, 35638200), (10, 32074380), (12, 26728650), (13, 24672600), (15, 21382920), (18, 17819100), (20, 16037190), (24, 13364325), (25, 12829752), (26, 12336300), (27, 11879400), (30, 10691460), (36, 8909550), (39, 8224200), (40, 8018595), (45, 7127640), (50, 6414876), (52, 6168150), (54, 5939700), (60, 5345730), (65, 4934520), (72, 4454775), (75, 4276584), (78, 4112100), (81, 3959800), (90, 3563820), (100, 3207438), (104, 3084075), (108, 2969850), (117, 2741400), (120, 2672865), (130, 2467260), (135, 2375880), (150, 2138292), (156, 2056050), (162, 1979900), (180, 1781910), (195, 1644840), (200, 1603719), (216, 1484925), (225, 1425528), (234, 1370700), (260, 1233630), (270, 1187940), (300, 1069146), (312, 1028025), (324, 989950), (325, 986904), (351, 913800), (360, 890955), (390, 822420), (405, 791960), (450, 712764), (468, 685350), (520, 616815), (540, 593970), (585, 548280), (600, 534573), (648, 494975), (650, 493452), (675, 475176), (702, 456900), (780, 411210), (810, 395980), (900, 356382), (936, 342675), (975, 328968), (1053, 304600), (1080, 296985), (1170, 274140), (1300, 246726), (1350, 237588), (1404, 228450), (1523, 210600), (1560, 205605), (1620, 197990), (1755, 182760), (1800, 178191), (1950, 164484), (2025, 158392), (2106, 152300), (2340, 137070), (2600, 123363), (2700, 118794), (2808, 114225), (2925, 109656), (3046, 105300), (3240, 98995), (3510, 91380), (3900, 82242), (4050, 79196), (4212, 76150), (4569, 70200), (4680, 68535), (5265, 60920), (5400, 59397), (5850, 54828), (6092, 52650), (7020, 45690), (7615, 42120), (7800, 41121), (8100, 39598), (8424, 38075), (8775, 36552), (9138, 35100), (10530, 30460), (11700, 27414), (12184, 26325), (13707, 23400), (14040, 22845), (15230, 21060), (16200, 19799), (17550, 18276)]