21151566720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6151}}^1$

素因数の和:6378

約数の個数: 256

約数和(自身を含む): 75300480000

約数和(自身を除く): 54148913280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 199, 216, 240, 270, 288, 320, 360, 384, 398, 432, 480, 540, 576, 597, 640, 720, 796, 864, 960, 995, 1080, 1152, 1194, 1440, 1592, 1728, 1791, 1920, 1990, 2160, 2388, 2880, 2985, 3184, 3456, 3582, 3980, 4320, 4776, 5373, 5760, 5970, 6151, 6368, 7164, 7960, 8640, 8955, 9552, 10746, 11940, 12302, 12736, 14328, 15920, 17280, 17910, 18453, 19104, 21492, 23880, 24604, 25472, 26865, 28656, 30755, 31840, 35820, 36906, 38208, 42984, 47760, 49208, 53730, 55359, 57312, 61510, 63680, 71640, 73812, 76416, 85968, 92265, 95520, 98416, 107460, 110718, 114624, 123020, 127360, 143280, 147624, 166077, 171936, 184530, 191040, 196832, 214920, 221436, 229248, 246040, 276795, 286560, 295248, 332154, 343872, 369060, 382080, 393664, 429840, 442872, 492080, 553590, 573120, 590496, 664308, 687744, 738120, 787328, 830385, 859680, 885744, 984160, 1107180, 1146240, 1180992, 1224049, 1328616, 1476240, 1660770, 1719360, 1771488, 1968320, 2214360, 2361984, 2448098, 2657232, 2952480, 3321540, 3438720, 3542976, 3672147, 3936640, 4428720, 4896196, 5314464, 5904960, 6120245, 6643080, 7085952, 7344294, 8857440, 9792392, 10628928, 11016441, 11809920, 12240490, 13286160, 14688588, 17714880, 18360735, 19584784, 21257856, 22032882, 24480980, 26572320, 29377176, 33049323, 35429760, 36721470, 39169568, 44065764, 48961960, 53144640, 55082205, 58754352, 66098646, 73442940, 78339136, 88131528, 97923920, 106289280, 110164410, 117508704, 132197292, 146885880, 156678272, 165246615, 176263056, 195847840, 220328820, 235017408, 264394584, 293771760, 330493230, 352526112, 391695680, 440657640, 470034816, 528789168, 587543520, 660986460, 705052224, 783391360, 881315280, 1057578336, 1175087040, 1321972920, 1410104448, 1762630560, 2115156672, 2350174080, 2643945840, 3525261120, 4230313344, 5287891680, 7050522240, 10575783360, 21151566720]

約数ペア:

[(1, 21151566720), (2, 10575783360), (3, 7050522240), (4, 5287891680), (5, 4230313344), (6, 3525261120), (8, 2643945840), (9, 2350174080), (10, 2115156672), (12, 1762630560), (15, 1410104448), (16, 1321972920), (18, 1175087040), (20, 1057578336), (24, 881315280), (27, 783391360), (30, 705052224), (32, 660986460), (36, 587543520), (40, 528789168), (45, 470034816), (48, 440657640), (54, 391695680), (60, 352526112), (64, 330493230), (72, 293771760), (80, 264394584), (90, 235017408), (96, 220328820), (108, 195847840), (120, 176263056), (128, 165246615), (135, 156678272), (144, 146885880), (160, 132197292), (180, 117508704), (192, 110164410), (199, 106289280), (216, 97923920), (240, 88131528), (270, 78339136), (288, 73442940), (320, 66098646), (360, 58754352), (384, 55082205), (398, 53144640), (432, 48961960), (480, 44065764), (540, 39169568), (576, 36721470), (597, 35429760), (640, 33049323), (720, 29377176), (796, 26572320), (864, 24480980), (960, 22032882), (995, 21257856), (1080, 19584784), (1152, 18360735), (1194, 17714880), (1440, 14688588), (1592, 13286160), (1728, 12240490), (1791, 11809920), (1920, 11016441), (1990, 10628928), (2160, 9792392), (2388, 8857440), (2880, 7344294), (2985, 7085952), (3184, 6643080), (3456, 6120245), (3582, 5904960), (3980, 5314464), (4320, 4896196), (4776, 4428720), (5373, 3936640), (5760, 3672147), (5970, 3542976), (6151, 3438720), (6368, 3321540), (7164, 2952480), (7960, 2657232), (8640, 2448098), (8955, 2361984), (9552, 2214360), (10746, 1968320), (11940, 1771488), (12302, 1719360), (12736, 1660770), (14328, 1476240), (15920, 1328616), (17280, 1224049), (17910, 1180992), (18453, 1146240), (19104, 1107180), (21492, 984160), (23880, 885744), (24604, 859680), (25472, 830385), (26865, 787328), (28656, 738120), (30755, 687744), (31840, 664308), (35820, 590496), (36906, 573120), (38208, 553590), (42984, 492080), (47760, 442872), (49208, 429840), (53730, 393664), (55359, 382080), (57312, 369060), (61510, 343872), (63680, 332154), (71640, 295248), (73812, 286560), (76416, 276795), (85968, 246040), (92265, 229248), (95520, 221436), (98416, 214920), (107460, 196832), (110718, 191040), (114624, 184530), (123020, 171936), (127360, 166077), (143280, 147624)]