638836416

素因数分解:

$2^6\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 224

約数和(自身を含む): 1966325760

約数和(自身を除く): 1327489344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 71, 72, 82, 96, 108, 123, 127, 142, 144, 164, 192, 213, 216, 246, 254, 284, 288, 328, 369, 381, 426, 432, 492, 508, 568, 576, 639, 656, 738, 762, 852, 864, 984, 1016, 1107, 1136, 1143, 1278, 1312, 1476, 1524, 1704, 1728, 1917, 1968, 2032, 2214, 2272, 2286, 2556, 2624, 2911, 2952, 3048, 3408, 3429, 3834, 3936, 4064, 4428, 4544, 4572, 5112, 5207, 5822, 5904, 6096, 6816, 6858, 7668, 7872, 8128, 8733, 8856, 9017, 9144, 10224, 10414, 11644, 11808, 12192, 13632, 13716, 15336, 15621, 17466, 17712, 18034, 18288, 20448, 20828, 23288, 23616, 24384, 26199, 27051, 27432, 30672, 31242, 34932, 35424, 36068, 36576, 40896, 41656, 46576, 46863, 52398, 54102, 54864, 61344, 62484, 69864, 70848, 72136, 73152, 78597, 81153, 83312, 93152, 93726, 104796, 108204, 109728, 122688, 124968, 139728, 140589, 144272, 157194, 162306, 166624, 186304, 187452, 209592, 216408, 219456, 243459, 249936, 279456, 281178, 288544, 314388, 324612, 333248, 369697, 374904, 419184, 432816, 486918, 499872, 558912, 562356, 577088, 628776, 649224, 739394, 749808, 838368, 865632, 973836, 999744, 1109091, 1124712, 1257552, 1298448, 1478788, 1499616, 1676736, 1731264, 1947672, 2218182, 2249424, 2515104, 2596896, 2957576, 2999232, 3327273, 3895344, 4436364, 4498848, 5030208, 5193792, 5915152, 6654546, 7790688, 8872728, 8997696, 9981819, 11830304, 13309092, 15581376, 17745456, 19963638, 23660608, 26618184, 35490912, 39927276, 53236368, 70981824, 79854552, 106472736, 159709104, 212945472, 319418208, 638836416]

約数ペア:

[(1, 638836416), (2, 319418208), (3, 212945472), (4, 159709104), (6, 106472736), (8, 79854552), (9, 70981824), (12, 53236368), (16, 39927276), (18, 35490912), (24, 26618184), (27, 23660608), (32, 19963638), (36, 17745456), (41, 15581376), (48, 13309092), (54, 11830304), (64, 9981819), (71, 8997696), (72, 8872728), (82, 7790688), (96, 6654546), (108, 5915152), (123, 5193792), (127, 5030208), (142, 4498848), (144, 4436364), (164, 3895344), (192, 3327273), (213, 2999232), (216, 2957576), (246, 2596896), (254, 2515104), (284, 2249424), (288, 2218182), (328, 1947672), (369, 1731264), (381, 1676736), (426, 1499616), (432, 1478788), (492, 1298448), (508, 1257552), (568, 1124712), (576, 1109091), (639, 999744), (656, 973836), (738, 865632), (762, 838368), (852, 749808), (864, 739394), (984, 649224), (1016, 628776), (1107, 577088), (1136, 562356), (1143, 558912), (1278, 499872), (1312, 486918), (1476, 432816), (1524, 419184), (1704, 374904), (1728, 369697), (1917, 333248), (1968, 324612), (2032, 314388), (2214, 288544), (2272, 281178), (2286, 279456), (2556, 249936), (2624, 243459), (2911, 219456), (2952, 216408), (3048, 209592), (3408, 187452), (3429, 186304), (3834, 166624), (3936, 162306), (4064, 157194), (4428, 144272), (4544, 140589), (4572, 139728), (5112, 124968), (5207, 122688), (5822, 109728), (5904, 108204), (6096, 104796), (6816, 93726), (6858, 93152), (7668, 83312), (7872, 81153), (8128, 78597), (8733, 73152), (8856, 72136), (9017, 70848), (9144, 69864), (10224, 62484), (10414, 61344), (11644, 54864), (11808, 54102), (12192, 52398), (13632, 46863), (13716, 46576), (15336, 41656), (15621, 40896), (17466, 36576), (17712, 36068), (18034, 35424), (18288, 34932), (20448, 31242), (20828, 30672), (23288, 27432), (23616, 27051), (24384, 26199)]