661492944

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 180

約数和(自身を含む): 2168002980

約数和(自身を除く): 1506510036

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 241, 252, 294, 336, 389, 392, 441, 482, 504, 588, 723, 778, 784, 882, 964, 1008, 1167, 1176, 1446, 1556, 1687, 1764, 1928, 2169, 2334, 2352, 2723, 2892, 3112, 3374, 3501, 3528, 3856, 4338, 4668, 5061, 5446, 5784, 6224, 6748, 7002, 7056, 8169, 8676, 9336, 10122, 10892, 11568, 11809, 13496, 14004, 15183, 16338, 17352, 18672, 19061, 20244, 21784, 23618, 24507, 26992, 28008, 30366, 32676, 34704, 35427, 38122, 40488, 43568, 47236, 49014, 56016, 57183, 60732, 65352, 70854, 76244, 80976, 93749, 94472, 98028, 106281, 114366, 121464, 130704, 141708, 152488, 171549, 187498, 188944, 196056, 212562, 228732, 242928, 281247, 283416, 304976, 343098, 374996, 392112, 425124, 457464, 562494, 566832, 656243, 686196, 749992, 843741, 850248, 914928, 1124988, 1312486, 1372392, 1499984, 1687482, 1700496, 1968729, 2249976, 2624972, 2744784, 3374964, 3937458, 4499952, 4593701, 5249944, 5906187, 6749928, 7874916, 9187402, 10499888, 11812374, 13499856, 13781103, 15749832, 18374804, 23624748, 27562206, 31499664, 36749608, 41343309, 47249496, 55124412, 73499216, 82686618, 94498992, 110248824, 165373236, 220497648, 330746472, 661492944]

約数ペア:

[(1, 661492944), (2, 330746472), (3, 220497648), (4, 165373236), (6, 110248824), (7, 94498992), (8, 82686618), (9, 73499216), (12, 55124412), (14, 47249496), (16, 41343309), (18, 36749608), (21, 31499664), (24, 27562206), (28, 23624748), (36, 18374804), (42, 15749832), (48, 13781103), (49, 13499856), (56, 11812374), (63, 10499888), (72, 9187402), (84, 7874916), (98, 6749928), (112, 5906187), (126, 5249944), (144, 4593701), (147, 4499952), (168, 3937458), (196, 3374964), (241, 2744784), (252, 2624972), (294, 2249976), (336, 1968729), (389, 1700496), (392, 1687482), (441, 1499984), (482, 1372392), (504, 1312486), (588, 1124988), (723, 914928), (778, 850248), (784, 843741), (882, 749992), (964, 686196), (1008, 656243), (1167, 566832), (1176, 562494), (1446, 457464), (1556, 425124), (1687, 392112), (1764, 374996), (1928, 343098), (2169, 304976), (2334, 283416), (2352, 281247), (2723, 242928), (2892, 228732), (3112, 212562), (3374, 196056), (3501, 188944), (3528, 187498), (3856, 171549), (4338, 152488), (4668, 141708), (5061, 130704), (5446, 121464), (5784, 114366), (6224, 106281), (6748, 98028), (7002, 94472), (7056, 93749), (8169, 80976), (8676, 76244), (9336, 70854), (10122, 65352), (10892, 60732), (11568, 57183), (11809, 56016), (13496, 49014), (14004, 47236), (15183, 43568), (16338, 40488), (17352, 38122), (18672, 35427), (19061, 34704), (20244, 32676), (21784, 30366), (23618, 28008), (24507, 26992)]