1621958256

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:569

約数の個数: 200

約数和(自身を含む): 4981328000

約数和(自身を除く): 3359369744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 199, 216, 228, 304, 324, 331, 342, 398, 432, 456, 513, 597, 648, 662, 684, 796, 912, 993, 1026, 1194, 1296, 1324, 1368, 1539, 1592, 1791, 1986, 2052, 2388, 2648, 2736, 2979, 3078, 3184, 3582, 3781, 3972, 4104, 4776, 5296, 5373, 5958, 6156, 6289, 7164, 7562, 7944, 8208, 8937, 9552, 10746, 11343, 11916, 12312, 12578, 14328, 15124, 15888, 16119, 17874, 18867, 21492, 22686, 23832, 24624, 25156, 26811, 28656, 30248, 32238, 34029, 35748, 37734, 42984, 45372, 47664, 50312, 53622, 56601, 60496, 64476, 65869, 68058, 71496, 75468, 85968, 90744, 100624, 102087, 107244, 113202, 128952, 131738, 136116, 142992, 150936, 169803, 181488, 197607, 204174, 214488, 226404, 257904, 263476, 272232, 301872, 306261, 339606, 395214, 408348, 428976, 452808, 509409, 526952, 544464, 592821, 612522, 679212, 790428, 816696, 905616, 1018818, 1053904, 1185642, 1225044, 1251511, 1358424, 1580856, 1633392, 1778463, 2037636, 2371284, 2450088, 2503022, 2716848, 3161712, 3556926, 3754533, 4075272, 4742568, 4900176, 5006044, 5335389, 7113852, 7509066, 8150544, 9485136, 10012088, 10670778, 11263599, 14227704, 15018132, 20024176, 21341556, 22527198, 28455408, 30036264, 33790797, 42683112, 45054396, 60072528, 67581594, 85366224, 90108792, 101372391, 135163188, 180217584, 202744782, 270326376, 405489564, 540652752, 810979128, 1621958256]

約数ペア:

[(1, 1621958256), (2, 810979128), (3, 540652752), (4, 405489564), (6, 270326376), (8, 202744782), (9, 180217584), (12, 135163188), (16, 101372391), (18, 90108792), (19, 85366224), (24, 67581594), (27, 60072528), (36, 45054396), (38, 42683112), (48, 33790797), (54, 30036264), (57, 28455408), (72, 22527198), (76, 21341556), (81, 20024176), (108, 15018132), (114, 14227704), (144, 11263599), (152, 10670778), (162, 10012088), (171, 9485136), (199, 8150544), (216, 7509066), (228, 7113852), (304, 5335389), (324, 5006044), (331, 4900176), (342, 4742568), (398, 4075272), (432, 3754533), (456, 3556926), (513, 3161712), (597, 2716848), (648, 2503022), (662, 2450088), (684, 2371284), (796, 2037636), (912, 1778463), (993, 1633392), (1026, 1580856), (1194, 1358424), (1296, 1251511), (1324, 1225044), (1368, 1185642), (1539, 1053904), (1592, 1018818), (1791, 905616), (1986, 816696), (2052, 790428), (2388, 679212), (2648, 612522), (2736, 592821), (2979, 544464), (3078, 526952), (3184, 509409), (3582, 452808), (3781, 428976), (3972, 408348), (4104, 395214), (4776, 339606), (5296, 306261), (5373, 301872), (5958, 272232), (6156, 263476), (6289, 257904), (7164, 226404), (7562, 214488), (7944, 204174), (8208, 197607), (8937, 181488), (9552, 169803), (10746, 150936), (11343, 142992), (11916, 136116), (12312, 131738), (12578, 128952), (14328, 113202), (15124, 107244), (15888, 102087), (16119, 100624), (17874, 90744), (18867, 85968), (21492, 75468), (22686, 71496), (23832, 68058), (24624, 65869), (25156, 64476), (26811, 60496), (28656, 56601), (30248, 53622), (32238, 50312), (34029, 47664), (35748, 45372), (37734, 42984)]