1321427328

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8539}}^1$

素因数の和:8600

約数の個数: 128

約数和(自身を含む): 3902438400

約数和(自身を除く): 2581011072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1984, 2418, 2496, 2976, 3224, 3968, 4836, 4992, 5952, 6448, 8539, 9672, 11904, 12896, 17078, 19344, 25617, 25792, 34156, 38688, 51234, 51584, 68312, 77376, 102468, 111007, 136624, 154752, 204936, 222014, 264709, 273248, 333021, 409872, 444028, 529418, 546496, 666042, 794127, 819744, 888056, 1058836, 1092992, 1332084, 1588254, 1639488, 1776112, 2117672, 2664168, 3176508, 3278976, 3441217, 3552224, 4235344, 5328336, 6353016, 6882434, 7104448, 8470688, 10323651, 10656672, 12706032, 13764868, 14208896, 16941376, 20647302, 21313344, 25412064, 27529736, 33882752, 41294604, 42626688, 50824128, 55059472, 82589208, 101648256, 110118944, 165178416, 220237888, 330356832, 440475776, 660713664, 1321427328]

約数ペア:

[(1, 1321427328), (2, 660713664), (3, 440475776), (4, 330356832), (6, 220237888), (8, 165178416), (12, 110118944), (13, 101648256), (16, 82589208), (24, 55059472), (26, 50824128), (31, 42626688), (32, 41294604), (39, 33882752), (48, 27529736), (52, 25412064), (62, 21313344), (64, 20647302), (78, 16941376), (93, 14208896), (96, 13764868), (104, 12706032), (124, 10656672), (128, 10323651), (156, 8470688), (186, 7104448), (192, 6882434), (208, 6353016), (248, 5328336), (312, 4235344), (372, 3552224), (384, 3441217), (403, 3278976), (416, 3176508), (496, 2664168), (624, 2117672), (744, 1776112), (806, 1639488), (832, 1588254), (992, 1332084), (1209, 1092992), (1248, 1058836), (1488, 888056), (1612, 819744), (1664, 794127), (1984, 666042), (2418, 546496), (2496, 529418), (2976, 444028), (3224, 409872), (3968, 333021), (4836, 273248), (4992, 264709), (5952, 222014), (6448, 204936), (8539, 154752), (9672, 136624), (11904, 111007), (12896, 102468), (17078, 77376), (19344, 68312), (25617, 51584), (25792, 51234), (34156, 38688)]