128725272

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 385398000

約数和(自身を除く): 256672728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 71, 72, 78, 104, 117, 142, 149, 156, 169, 213, 234, 284, 298, 312, 338, 426, 447, 468, 507, 568, 596, 639, 676, 852, 894, 923, 936, 1014, 1192, 1278, 1341, 1352, 1521, 1704, 1788, 1846, 1937, 2028, 2556, 2682, 2769, 3042, 3576, 3692, 3874, 4056, 5112, 5364, 5538, 5811, 6084, 7384, 7748, 8307, 10579, 10728, 11076, 11622, 11999, 12168, 15496, 16614, 17433, 21158, 22152, 23244, 23998, 25181, 31737, 33228, 34866, 35997, 42316, 46488, 47996, 50362, 63474, 66456, 69732, 71994, 75543, 84632, 95211, 95992, 100724, 107991, 126948, 137527, 139464, 143988, 151086, 190422, 201448, 215982, 226629, 253896, 275054, 287976, 302172, 380844, 412581, 431964, 453258, 550108, 604344, 761688, 825162, 863928, 906516, 1100216, 1237743, 1650324, 1787851, 1813032, 2475486, 3300648, 3575702, 4950972, 5363553, 7151404, 9901944, 10727106, 14302808, 16090659, 21454212, 32181318, 42908424, 64362636, 128725272]

約数ペア:

[(1, 128725272), (2, 64362636), (3, 42908424), (4, 32181318), (6, 21454212), (8, 16090659), (9, 14302808), (12, 10727106), (13, 9901944), (18, 7151404), (24, 5363553), (26, 4950972), (36, 3575702), (39, 3300648), (52, 2475486), (71, 1813032), (72, 1787851), (78, 1650324), (104, 1237743), (117, 1100216), (142, 906516), (149, 863928), (156, 825162), (169, 761688), (213, 604344), (234, 550108), (284, 453258), (298, 431964), (312, 412581), (338, 380844), (426, 302172), (447, 287976), (468, 275054), (507, 253896), (568, 226629), (596, 215982), (639, 201448), (676, 190422), (852, 151086), (894, 143988), (923, 139464), (936, 137527), (1014, 126948), (1192, 107991), (1278, 100724), (1341, 95992), (1352, 95211), (1521, 84632), (1704, 75543), (1788, 71994), (1846, 69732), (1937, 66456), (2028, 63474), (2556, 50362), (2682, 47996), (2769, 46488), (3042, 42316), (3576, 35997), (3692, 34866), (3874, 33228), (4056, 31737), (5112, 25181), (5364, 23998), (5538, 23244), (5811, 22152), (6084, 21158), (7384, 17433), (7748, 16614), (8307, 15496), (10579, 12168), (10728, 11999), (11076, 11622)]