668621376

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 168

約数和(自身を含む): 1991304120

約数和(自身を除く): 1322682744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 137, 144, 148, 192, 222, 229, 274, 288, 296, 333, 411, 444, 458, 548, 576, 592, 666, 687, 822, 888, 916, 1096, 1184, 1233, 1332, 1374, 1644, 1776, 1832, 2061, 2192, 2368, 2466, 2664, 2748, 3288, 3552, 3664, 4122, 4384, 4932, 5069, 5328, 5496, 6576, 7104, 7328, 8244, 8473, 8768, 9864, 10138, 10656, 10992, 13152, 14656, 15207, 16488, 16946, 19728, 20276, 21312, 21984, 25419, 26304, 30414, 31373, 32976, 33892, 39456, 40552, 43968, 45621, 50838, 60828, 62746, 65952, 67784, 76257, 78912, 81104, 91242, 94119, 101676, 121656, 125492, 131904, 135568, 152514, 162208, 182484, 188238, 203352, 243312, 250984, 271136, 282357, 305028, 324416, 364968, 376476, 406704, 486624, 501968, 542272, 564714, 610056, 729936, 752952, 813408, 973248, 1003936, 1129428, 1160801, 1220112, 1459872, 1505904, 1626816, 2007872, 2258856, 2321602, 2440224, 2919744, 3011808, 3482403, 4517712, 4643204, 4880448, 6023616, 6964806, 9035424, 9286408, 10447209, 13929612, 18070848, 18572816, 20894418, 27859224, 37145632, 41788836, 55718448, 74291264, 83577672, 111436896, 167155344, 222873792, 334310688, 668621376]

約数ペア:

[(1, 668621376), (2, 334310688), (3, 222873792), (4, 167155344), (6, 111436896), (8, 83577672), (9, 74291264), (12, 55718448), (16, 41788836), (18, 37145632), (24, 27859224), (32, 20894418), (36, 18572816), (37, 18070848), (48, 13929612), (64, 10447209), (72, 9286408), (74, 9035424), (96, 6964806), (111, 6023616), (137, 4880448), (144, 4643204), (148, 4517712), (192, 3482403), (222, 3011808), (229, 2919744), (274, 2440224), (288, 2321602), (296, 2258856), (333, 2007872), (411, 1626816), (444, 1505904), (458, 1459872), (548, 1220112), (576, 1160801), (592, 1129428), (666, 1003936), (687, 973248), (822, 813408), (888, 752952), (916, 729936), (1096, 610056), (1184, 564714), (1233, 542272), (1332, 501968), (1374, 486624), (1644, 406704), (1776, 376476), (1832, 364968), (2061, 324416), (2192, 305028), (2368, 282357), (2466, 271136), (2664, 250984), (2748, 243312), (3288, 203352), (3552, 188238), (3664, 182484), (4122, 162208), (4384, 152514), (4932, 135568), (5069, 131904), (5328, 125492), (5496, 121656), (6576, 101676), (7104, 94119), (7328, 91242), (8244, 81104), (8473, 78912), (8768, 76257), (9864, 67784), (10138, 65952), (10656, 62746), (10992, 60828), (13152, 50838), (14656, 45621), (15207, 43968), (16488, 40552), (16946, 39456), (19728, 33892), (20276, 32976), (21312, 31373), (21984, 30414), (25419, 26304)]