126974720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 335543040

約数和(自身を除く): 208568320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 227, 230, 256, 304, 320, 368, 380, 437, 454, 460, 608, 640, 736, 760, 874, 908, 920, 1135, 1216, 1280, 1472, 1520, 1748, 1816, 1840, 2185, 2270, 2432, 2944, 3040, 3496, 3632, 3680, 4313, 4370, 4540, 4864, 5221, 5888, 6080, 6992, 7264, 7360, 8626, 8740, 9080, 10442, 12160, 13984, 14528, 14720, 17252, 17480, 18160, 20884, 21565, 24320, 26105, 27968, 29056, 29440, 34504, 34960, 36320, 41768, 43130, 52210, 55936, 58112, 69008, 69920, 72640, 83536, 86260, 99199, 104420, 111872, 138016, 139840, 145280, 167072, 172520, 198398, 208840, 276032, 279680, 290560, 334144, 345040, 396796, 417680, 495995, 552064, 559360, 668288, 690080, 793592, 835360, 991990, 1104128, 1336576, 1380160, 1587184, 1670720, 1983980, 2760320, 3174368, 3341440, 3967960, 5520640, 6348736, 6682880, 7935920, 12697472, 15871840, 25394944, 31743680, 63487360, 126974720]

約数ペア:

[(1, 126974720), (2, 63487360), (4, 31743680), (5, 25394944), (8, 15871840), (10, 12697472), (16, 7935920), (19, 6682880), (20, 6348736), (23, 5520640), (32, 3967960), (38, 3341440), (40, 3174368), (46, 2760320), (64, 1983980), (76, 1670720), (80, 1587184), (92, 1380160), (95, 1336576), (115, 1104128), (128, 991990), (152, 835360), (160, 793592), (184, 690080), (190, 668288), (227, 559360), (230, 552064), (256, 495995), (304, 417680), (320, 396796), (368, 345040), (380, 334144), (437, 290560), (454, 279680), (460, 276032), (608, 208840), (640, 198398), (736, 172520), (760, 167072), (874, 145280), (908, 139840), (920, 138016), (1135, 111872), (1216, 104420), (1280, 99199), (1472, 86260), (1520, 83536), (1748, 72640), (1816, 69920), (1840, 69008), (2185, 58112), (2270, 55936), (2432, 52210), (2944, 43130), (3040, 41768), (3496, 36320), (3632, 34960), (3680, 34504), (4313, 29440), (4370, 29056), (4540, 27968), (4864, 26105), (5221, 24320), (5888, 21565), (6080, 20884), (6992, 18160), (7264, 17480), (7360, 17252), (8626, 14720), (8740, 14528), (9080, 13984), (10442, 12160)]