1071280640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13499}}^1$

素因数の和:13553

約数の個数: 80

約数和(自身を含む): 2651616000

約数和(自身を除く): 1580335360

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, 3968, 4960, 7936, 9920, 13499, 15872, 19840, 26998, 39680, 53996, 67495, 79360, 107992, 134990, 215984, 269980, 418469, 431968, 539960, 836938, 863936, 1079920, 1673876, 1727872, 2092345, 2159840, 3347752, 3455744, 4184690, 4319680, 6695504, 6911488, 8369380, 8639360, 13391008, 16738760, 17278720, 26782016, 33477520, 34557440, 53564032, 66955040, 107128064, 133910080, 214256128, 267820160, 535640320, 1071280640]

約数ペア:

[(1, 1071280640), (2, 535640320), (4, 267820160), (5, 214256128), (8, 133910080), (10, 107128064), (16, 66955040), (20, 53564032), (31, 34557440), (32, 33477520), (40, 26782016), (62, 17278720), (64, 16738760), (80, 13391008), (124, 8639360), (128, 8369380), (155, 6911488), (160, 6695504), (248, 4319680), (256, 4184690), (310, 3455744), (320, 3347752), (496, 2159840), (512, 2092345), (620, 1727872), (640, 1673876), (992, 1079920), (1240, 863936), (1280, 836938), (1984, 539960), (2480, 431968), (2560, 418469), (3968, 269980), (4960, 215984), (7936, 134990), (9920, 107992), (13499, 79360), (15872, 67495), (19840, 53996), (26998, 39680)]