264189440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3383

約数の個数: 80

約数和(自身を含む): 654065280

約数和(自身を除く): 389875840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3329, 3968, 4960, 6658, 7936, 9920, 13316, 15872, 16645, 19840, 26632, 33290, 39680, 53264, 66580, 79360, 103199, 106528, 133160, 206398, 213056, 266320, 412796, 426112, 515995, 532640, 825592, 852224, 1031990, 1065280, 1651184, 1704448, 2063980, 2130560, 3302368, 4127960, 4261120, 6604736, 8255920, 8522240, 13209472, 16511840, 26418944, 33023680, 52837888, 66047360, 132094720, 264189440]

約数ペア:

[(1, 264189440), (2, 132094720), (4, 66047360), (5, 52837888), (8, 33023680), (10, 26418944), (16, 16511840), (20, 13209472), (31, 8522240), (32, 8255920), (40, 6604736), (62, 4261120), (64, 4127960), (80, 3302368), (124, 2130560), (128, 2063980), (155, 1704448), (160, 1651184), (248, 1065280), (256, 1031990), (310, 852224), (320, 825592), (496, 532640), (512, 515995), (620, 426112), (640, 412796), (992, 266320), (1240, 213056), (1280, 206398), (1984, 133160), (2480, 106528), (2560, 103199), (3329, 79360), (3968, 66580), (4960, 53264), (6658, 39680), (7936, 33290), (9920, 26632), (13316, 19840), (15872, 16645)]