215279376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 620585280

約数和(自身を除く): 405305904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 359, 372, 403, 496, 624, 718, 744, 806, 961, 1077, 1209, 1436, 1488, 1612, 1922, 2154, 2418, 2872, 2883, 3224, 3844, 4308, 4667, 4836, 5744, 5766, 6448, 7688, 8616, 9334, 9672, 11129, 11532, 12493, 14001, 15376, 17232, 18668, 19344, 22258, 23064, 24986, 28002, 33387, 37336, 37479, 44516, 46128, 49972, 56004, 66774, 74672, 74958, 89032, 99944, 112008, 133548, 144677, 149916, 178064, 199888, 224016, 267096, 289354, 299832, 344999, 434031, 534192, 578708, 599664, 689998, 868062, 1034997, 1157416, 1379996, 1736124, 2069994, 2314832, 2759992, 3472248, 4139988, 4484987, 5519984, 6944496, 8279976, 8969974, 13454961, 16559952, 17939948, 26909922, 35879896, 53819844, 71759792, 107639688, 215279376]

約数ペア:

[(1, 215279376), (2, 107639688), (3, 71759792), (4, 53819844), (6, 35879896), (8, 26909922), (12, 17939948), (13, 16559952), (16, 13454961), (24, 8969974), (26, 8279976), (31, 6944496), (39, 5519984), (48, 4484987), (52, 4139988), (62, 3472248), (78, 2759992), (93, 2314832), (104, 2069994), (124, 1736124), (156, 1379996), (186, 1157416), (208, 1034997), (248, 868062), (312, 689998), (359, 599664), (372, 578708), (403, 534192), (496, 434031), (624, 344999), (718, 299832), (744, 289354), (806, 267096), (961, 224016), (1077, 199888), (1209, 178064), (1436, 149916), (1488, 144677), (1612, 133548), (1922, 112008), (2154, 99944), (2418, 89032), (2872, 74958), (2883, 74672), (3224, 66774), (3844, 56004), (4308, 49972), (4667, 46128), (4836, 44516), (5744, 37479), (5766, 37336), (6448, 33387), (7688, 28002), (8616, 24986), (9334, 23064), (9672, 22258), (11129, 19344), (11532, 18668), (12493, 17232), (14001, 15376)]